In 1988, motorists discover human body parts dumped along the highway.

In 1990, Gainesville, Fla., becomes the site of a number of coed murders.

A handyman, living rent-free in the home of a generous friend, grows increasingly paranoid about his neighbors; filming them constantly and fighting with them incessantly until conflict escalates out of control and culminates in explosive violence.

CSIs determine that a girl's ex-husband had his parents assassinate her.

A young man is forced to infiltrate a research facility to memorize the design of a new "smart gun.".

A handyman, living rent-free in the home of a generous friend, grows increasingly paranoid about his neighbors; filming them constantly and fighting with them incessantly until conflict escalates out of control and culminates in explosive violence.

CSIs determine that a girl's ex-husband had his parents assassinate her.

A young man is forced to infiltrate a research facility to memorize the design of a new "smart gun.".

A handyman, living rent-free in the home of a generous friend, grows increasingly paranoid about his neighbors; filming them constantly and fighting with them incessantly until conflict escalates out of control and culminates in explosive violence.

A young man is forced to infiltrate a research facility to memorize the design of a new "smart gun.".

CSIs determine that a girl's ex-husband had his parents assassinate her.

A new recruit with ties to the CFD tests Severide's patience; Violet receives a mysterious note that sends her and Brett on a hunt for the person who wrote it.

While Mouch makes an incredible save, all eyes are on a mystery man who helped save his neighbor; Casey worries about his future at the CFD.

A mysterious caller who is in danger relies on Kidd to help save her and her brother; the firehouse helps Cruz get ready for fatherhood.

A fire breaks out at a pet food factory, and Casey and Severide help the owner, Pete, get to the bottom of it; the annual garage sale takes place at 51 and everyone is on edge.

Severide and Casey try to find the best fit for Kidd; Ritter, Gallo and Violet help plan an event for Mouch.

The firehouse reacts to some exciting news; a mysterious stranger arrives, and a shocking call takes Severide's breath away.

Martin and Vicki must pull off the con of a lifetime to save their skins and their company.

When Battle's arrested, Bumpy must find a way to spring him and find the mole; Bumpy discovers that Malcolm X has more enemies than they thought.

Bumpy uncovers a CIA plot to assassinate Malcolm X and Che Guevara at the United Nations; Malcolm writes his autobiography; Olympia utilizes Father Louis to get out of trouble.

A mysterious caller who is in danger relies on Kidd to help save her and her brother; the firehouse helps Cruz get ready for fatherhood.

A mysterious caller who is in danger relies on Kidd to help save her and her brother; the firehouse helps Cruz get ready for fatherhood.

A fire breaks out at a pet food factory, and Casey and Severide help the owner, Pete, get to the bottom of it; the annual garage sale takes place at 51 and everyone is on edge.

Martin and Vicki must pull off the con of a lifetime to save their skins and their company.

Martin and Vicki must pull off the con of a lifetime to save their skins and their company.

When Battle's arrested, Bumpy must find a way to spring him and find the mole; Bumpy discovers that Malcolm X has more enemies than they thought.

Bumpy uncovers a CIA plot to assassinate Malcolm X and Che Guevara at the United Nations; Malcolm writes his autobiography; Olympia utilizes Father Louis to get out of trouble.

Two women with a shared wall between their townhouses become increasingly volatile with each other; food fights, physical altercations and vandalism come to a bloody climax.

Explosive experts sifting through bomb evidence discover a more insidious plan.

Team One races to track down an armored truck that has vanished.

Two women with a shared wall between their townhouses become increasingly volatile with each other; food fights, physical altercations and vandalism come to a bloody climax.

Explosive experts sifting through bomb evidence discover a more insidious plan.

Team One races to track down an armored truck that has vanished.

Two women with a shared wall between their townhouses become increasingly volatile with each other; food fights, physical altercations and vandalism come to a bloody climax.

Team One races to track down an armored truck that has vanished.

Explosive experts sifting through bomb evidence discover a more insidious plan.

After a 10-year-old boy is admitted to the hospital, Dr. Manning and Dr. Halstead disagree on how to handle the boy's parents; Dr. Rhodes rushes to fix a heart that will be given to Dr. Reese's estranged father.

After a shooting occurs during a block party, the staff is overrun with victims; Dr. Choi devises a new mass casualty plan; Dr. Manning struggles to stay focused when she realizes her son and nanny might have been at the scene.

Dr. Manning rushes to save a boy who has a life-threatening case of the flu; April suspects Dr. Choi's sister of stealing opioid pain killers; Dr. Rhodes and Dr. Bekker disagree over the best treatment for a cardiac patient who is 21 weeks pregnant.

Dr. Rhodes second guesses removing himself from the team working to separate conjoined twins; Dr. Choi and April make a startling discovery about his sister; Dr. Charles uncovers troubling information concerning Dr. Reese's father.

Bekker takes drastic action to keep Rhodes from leaving Med for good; Halstead questions Manning's feelings about their upcoming wedding; Ethan receives shocking news about his sister, Emily; Charles mourns a loss.

Chicago Med, Fire and P.D. cross paths when a high-rise fire floods Med with victims, including Will and Jay Halstead's father; Rhodes must save the life and career of Stella Kidd; Manning treats a burn victim; Charles assesses a distraught Otis.

Halstead arranges a great deal on a wedding venue; Manning and Elsa treat an ill pregnant woman convinced that God will save her; the staff is conflicted about the law-breaking father of a 5-year-old patient; Rhodes opens his hybrid OR early.

Mary Jane searches Davis' office to differentiate real intel from planted misinformation; nearly caught, Mary Jane hurries to write notes for Jericho to deliver to their cohort.

After a shooting occurs during a block party, the staff is overrun with victims; Dr. Choi devises a new mass casualty plan; Dr. Manning struggles to stay focused when she realizes her son and nanny might have been at the scene.

Dr. Manning rushes to save a boy who has a life-threatening case of the flu; April suspects Dr. Choi's sister of stealing opioid pain killers; Dr. Rhodes and Dr. Bekker disagree over the best treatment for a cardiac patient who is 21 weeks pregnant.

Dr. Rhodes second guesses removing himself from the team working to separate conjoined twins; Dr. Choi and April make a startling discovery about his sister; Dr. Charles uncovers troubling information concerning Dr. Reese's father.

Bekker takes drastic action to keep Rhodes from leaving Med for good; Halstead questions Manning's feelings about their upcoming wedding; Ethan receives shocking news about his sister, Emily; Charles mourns a loss.

Chicago Med, Fire and P.D. cross paths when a high-rise fire floods Med with victims, including Will and Jay Halstead's father; Rhodes must save the life and career of Stella Kidd; Manning treats a burn victim; Charles assesses a distraught Otis.

Jon Hamm gets fans ready for season 2 of "Your Friends & Neighbors"; Amanda Peet lets us in on her "Fantasy Life.".

Mary Jane searches Davis' office to differentiate real intel from planted misinformation; nearly caught, Mary Jane hurries to write notes for Jericho to deliver to their cohort.

A former cop is moving into a close-knit neighborhood; conflict arises with the whole community over dogs, noise, and other disturbances that keep piling on and ratcheting up until a boiling point is reached, guns are drawn, and blood is spilled.

A private school owner is kidnapped.

While Dean and Clark go on a ride-along, a shootout breaks out at a drug den.

A former cop is moving into a close-knit neighborhood; conflict arises with the whole community over dogs, noise, and other disturbances that keep piling on and ratcheting up until a boiling point is reached, guns are drawn, and blood is spilled.

A private school owner is kidnapped.

While Dean and Clark go on a ride-along, a shootout breaks out at a drug den.

A former cop is moving into a close-knit neighborhood; conflict arises with the whole community over dogs, noise, and other disturbances that keep piling on and ratcheting up until a boiling point is reached, guns are drawn, and blood is spilled.

While Dean and Clark go on a ride-along, a shootout breaks out at a drug den.

A private school owner is kidnapped.

Hen fears for Karen's life when an explosion rocks her science lab on the day she brings Denny to work with her.

Athena and the 118 race to the rescue when a fading movie star is plagued by a series of near-death experiences.

The 118 race to the rescue to a renaissance faire; an overbearing boss is poisoned; Athena fears for May's life when she encounters a disturbed young man; Uncle Buck babysits young Jee-Yun as Maddie and Chimney begin house-hunting.

The Santa Ana winds bring in a variety of weirder-than-usual emergencies; a family dog retrieves a severed hand; a young woman sleep-drives into the station; Denny questions Hen and Karen about his biological parents.

A dry thunderstorm rolls over Los Angeles, bringing in a series of lightning strike emergencies for the 118 and leaves a first responder's life hanging in the balance; Chimney get a surprise from a visiting Albert.

As Buck's life hangs in the balance, he dreams of a world where he never became a firefighter, for better and worse.

Maggie's residency gets off to a rocky start as Cal shows Ben the ropes at the Crossing and begins to wonder if Liam has any intention of leaving.

Despite the case being closed, Bobby is determined to prove his Alcoholics Anonymous sponsor was murdered and bring his killer to justice; Buck struggles with his post-traumatic stress.

Athena and the 118 race to the rescue when a fading movie star is plagued by a series of near-death experiences.

The 118 race to the rescue to a renaissance faire; an overbearing boss is poisoned; Athena fears for May's life when she encounters a disturbed young man; Uncle Buck babysits young Jee-Yun as Maddie and Chimney begin house-hunting.

The Santa Ana winds bring in a variety of weirder-than-usual emergencies; a family dog retrieves a severed hand; a young woman sleep-drives into the station; Denny questions Hen and Karen about his biological parents.

A dry thunderstorm rolls over Los Angeles, bringing in a series of lightning strike emergencies for the 118 and leaves a first responder's life hanging in the balance; Chimney get a surprise from a visiting Albert.

As Buck's life hangs in the balance, he dreams of a world where he never became a firefighter, for better and worse.

Maggie's residency gets off to a rocky start as Cal shows Ben the ropes at the Crossing and begins to wonder if Liam has any intention of leaving.

Hen fears for Karen's life when an explosion rocks her science lab on the day she brings Denny to work with her.

A former police chief gets into constant conflicts with a young renter who doesn't respect his authority; the war between them intensifies until blood flows down their street.

An abandoned suitcase containing a young woman's body, leads to a mystery of a second woman missing too.

Team One races to catch a disturbed and armed man on a ferry.

A former police chief gets into constant conflicts with a young renter who doesn't respect his authority; the war between them intensifies until blood flows down their street.

An abandoned suitcase containing a young woman's body, leads to a mystery of a second woman missing too.

Team One races to catch a disturbed and armed man on a ferry.

A former police chief gets into constant conflicts with a young renter who doesn't respect his authority; the war between them intensifies until blood flows down their street.

Team One races to catch a disturbed and armed man on a ferry.

An abandoned suitcase containing a young woman's body, leads to a mystery of a second woman missing too.

Halstead is backed into a corner after unknowingly making a deal with a gangster; Manning fights for her dying patient, who is not a U.S. citizen; Rhodes and Bekker clash in the OR; Choi is shocked when he meets Emily's new boyfriend.

Halstead's first task as a criminal informant puts a strain on his relationship with Manning; Choi is shocked when the father of Emily's child ends up in the ED; Rhodes presses Bekker to reveal who anonymously donated funds for his satellite OR.

Manning and Halstead must act fast to save the life of a physically abused wife; Choi and April are shocked to learn the truth about their 14-year-old cirrhosis patient; Rhodes and Lanik go head-to-head in the ER.

After a deadly chemical spill, the ED goes on lockdown, threatening the lives of several patients and leaving one of Med's own hanging in the balance; Rhodes and Manning must perform lifesaving surgeries.

Choi and Charles use trickery to help a patient with an itch she can't help but scratch; Halstead and Manning argue over a tattooed coma patient; Rhodes angers Goodwin by going against orders to save a patient in the hybrid OR.

Halstead and Manning's wedding day is interrupted when Halstead is forced to make a house call; Charles treats a woman who stabbed her husband; Choi and April deliver a breech baby; Rhodes and Bekker operate on an FBI witness.

A shooting outside the hospital injures April and leaves the ED shaken up; Halstead returns after a stint in the witness relocation program; Charles and Elsa have an emotional confrontation; Bekker is reluctant to attend an event honoring Rhodes.

When an attempted armed robbery ends in murder, U.K. detectives must connect the dots between hours of surveillance video.

Halstead's first task as a criminal informant puts a strain on his relationship with Manning; Choi is shocked when the father of Emily's child ends up in the ED; Rhodes presses Bekker to reveal who anonymously donated funds for his satellite OR.

Manning and Halstead must act fast to save the life of a physically abused wife; Choi and April are shocked to learn the truth about their 14-year-old cirrhosis patient; Rhodes and Lanik go head-to-head in the ER.

After a deadly chemical spill, the ED goes on lockdown, threatening the lives of several patients and leaving one of Med's own hanging in the balance; Rhodes and Manning must perform lifesaving surgeries.

Choi and Charles use trickery to help a patient with an itch she can't help but scratch; Halstead and Manning argue over a tattooed coma patient; Rhodes angers Goodwin by going against orders to save a patient in the hybrid OR.

Halstead and Manning's wedding day is interrupted when Halstead is forced to make a house call; Charles treats a woman who stabbed her husband; Choi and April deliver a breech baby; Rhodes and Bekker operate on an FBI witness.

A shooting outside the hospital injures April and leaves the ED shaken up; Halstead returns after a stint in the witness relocation program; Charles and Elsa have an emotional confrontation; Bekker is reluctant to attend an event honoring Rhodes.

When an attempted armed robbery ends in murder, U.K. detectives must connect the dots between hours of surveillance video.

Complaints about dogs running loose lead to the construction of a fence between two long-time neighbors, but the problem isn't solved and flaring tempers lead to fist fights, stabbings, and ultimately a shocking shootout captured on video.

The murder of a gay couple in rural California leads investigators into the world of hate crimes.

A series of bombs tears the city apart, as Team One attempts high-risk rescues.

Complaints about dogs running loose lead to the construction of a fence between two long-time neighbors, but the problem isn't solved and flaring tempers lead to fist fights, stabbings, and ultimately a shocking shootout captured on video.

The murder of a gay couple in rural California leads investigators into the world of hate crimes.

A series of bombs tears the city apart, as Team One attempts high-risk rescues.

Complaints about dogs running loose lead to the construction of a fence between two long-time neighbors, but the problem isn't solved and flaring tempers lead to fist fights, stabbings, and ultimately a shocking shootout captured on video.

A series of bombs tears the city apart, as Team One attempts high-risk rescues.

The murder of a gay couple in rural California leads investigators into the world of hate crimes.

Sean and Jonah go undercover to track down a dangerous new threat affecting Boston's young adults, forcing Sean to confront unresolved ties from his past along the way.

The team comes together to celebrate John and Bailey's wedding; Celina discovers a discrepancy in her case, leading to a new discovery; Lucy and Tim's relationship is put to the test.

Nolan and Bailey's honeymoon is more of a nightmare than a dream when it turns into an active crime scene; Tim and Celina partner up and must uncover the identity of a John Doe.

It's Officer Aaron Thorsen's first day back since the assault, and he's tasked with a series of high-stress cases to determine whether he's ready to work; the team investigates a homicide case with a potential tie to the pentagram killer.

When a toddler is found at the scene of a crime, John and Bailey must decide whether to let the child go to a shelter for the night or care for her themselves; when someone from his past returns, Tim disappears and leaves Lucy in the dark.

Sean and Jonah go undercover to track down a dangerous new threat affecting Boston's young adults, forcing Sean to confront unresolved ties from his past along the way.

A pregnant wife reaches out to Colter to find her missing husband.

The team must try to understand why they were targeted and if there is a bigger plan in place; Nolan must survive his last shift before his wedding to Bailey.

The team comes together to celebrate John and Bailey's wedding; Celina discovers a discrepancy in her case, leading to a new discovery; Lucy and Tim's relationship is put to the test.

A pregnant wife reaches out to Colter to find her missing husband.

It's Officer Aaron Thorsen's first day back since the assault, and he's tasked with a series of high-stress cases to determine whether he's ready to work; the team investigates a homicide case with a potential tie to the pentagram killer.

When a toddler is found at the scene of a crime, John and Bailey must decide whether to let the child go to a shelter for the night or care for her themselves; when someone from his past returns, Tim disappears and leaves Lucy in the dark.

Following their time as foster parents, Bailey wants to have a baby and forces John to reconsider their decision to not have children; John and Celina discover a prison escapee whom they fear is out for revenge and race to find her.

When two teenagers go missing, it is up to the entire team to find the girls and uncover the truth about their disappearance; Lopez and Harper search for the perfect nanny.

The team must try to understand why they were targeted and if there is a bigger plan in place; Nolan must survive his last shift before his wedding to Bailey.

Investigators are drawn into the dark world of high-end prostitution, illegal aliens and Russian organized crime.

Ontario police conduct a manhunt for the prime suspects in four brutal murders.

A nurse is the main suspect of five bodies found in a wooded area in central Florida.

Still struggling with a loss, the team must put feelings aside when a cafe is bombed; Atwater winds up in hot water after making a mistake.

A mass shooting takes place in an athletic club; Atwater deals with his new assignment; Halstead and Platt try to check up on Lindsay.

Voight and the team help retired Cmdr. Perry extract his nephew from a corrupt unit; Lindsay struggles to stay clean; a woman from Olinsky's past contacts him.

Intelligence pursues heroin kingpin Derek Keyes; Lindsay's downward spiral continues; Olinsky tells Platt about a secret from his past; Roman talks to Burgess about his concerns regarding Ruzek.

Roman and Burgess discover the corpse of a young boy who was reported missing; Burgess talks to Ruzek about Roman's suspicious behavior; Bunny plans to make a statement that could impact Voight's career.

A desperate man searching for his daughter holds a member of the team hostage; Voight learns about the accusations Bunny made regarding a case from his past; Antonio finds out that Olinsky has been keeping a secret.

Voight believes the man who tried to kill him is someone he and Olinsky once put away; Atwater unintentionally spills information about Ruzek's history that disturbs Burgess.

Still struggling with a loss, the team must put feelings aside when a cafe is bombed; Atwater winds up in hot water after making a mistake.

A mass shooting takes place in an athletic club; Atwater deals with his new assignment; Halstead and Platt try to check up on Lindsay.

Voight and the team help retired Cmdr. Perry extract his nephew from a corrupt unit; Lindsay struggles to stay clean; a woman from Olinsky's past contacts him.

Intelligence pursues heroin kingpin Derek Keyes; Lindsay's downward spiral continues; Olinsky tells Platt about a secret from his past; Roman talks to Burgess about his concerns regarding Ruzek.

A pregnant wife reaches out to Colter to find her missing husband.

Roman and Burgess discover the corpse of a young boy who was reported missing; Burgess talks to Ruzek about Roman's suspicious behavior; Bunny plans to make a statement that could impact Voight's career.

When an attempted armed robbery ends in murder, U.K. detectives must connect the dots between hours of surveillance video.

Still struggling with a loss, the team must put feelings aside when a cafe is bombed; Atwater winds up in hot water after making a mistake.

A mass shooting takes place in an athletic club; Atwater deals with his new assignment; Halstead and Platt try to check up on Lindsay.

Voight and the team help retired Cmdr. Perry extract his nephew from a corrupt unit; Lindsay struggles to stay clean; a woman from Olinsky's past contacts him.

Intelligence pursues heroin kingpin Derek Keyes; Lindsay's downward spiral continues; Olinsky tells Platt about a secret from his past; Roman talks to Burgess about his concerns regarding Ruzek.

Roman and Burgess discover the corpse of a young boy who was reported missing; Burgess talks to Ruzek about Roman's suspicious behavior; Bunny plans to make a statement that could impact Voight's career.

A desperate man searching for his daughter holds a member of the team hostage; Voight learns about the accusations Bunny made regarding a case from his past; Antonio finds out that Olinsky has been keeping a secret.

Voight believes the man who tried to kill him is someone he and Olinsky once put away; Atwater unintentionally spills information about Ruzek's history that disturbs Burgess.

A search mission for three women missing in Yosemite Park turns to a murder investigation when two are discovered in the trunk of their burned out car.

Police search for the killer of an elderly upscale Toronto couple.

The largest police investigation of the decade lasted 23 days to catch a sniper who terrorized Washington, D. C. residents.

A video of Casey from the roof rescue goes viral; Mouch sets up a Little Free Library at Firehouse 51; Herrmann breaks protocol.

Griffin learns the truth about his father's death and reveals why he really came to visit Casey; Gallo, Ritter and Violet take steps to expand their microbrewery business.

Kidd spreads her wings as a lieutenant; Chief Hawkins rides with Ambulance 61 to learn more about Brett; Casey takes a trip out of town; a Ritter date night turns into an emergency situation.

Casey makes a life-altering decision; Gallo, Ritter and Violet agree to an interview and photo shoot; Brett and Mouch launch the paramedicine program; Cruz comes closer to fatherhood.

A major security breach in the city's computer networks forces Firehouse 51's senior leaders to take matters into their own hands; Severide gears up for an arson investigation.

Gallo clashes with the new lieutenant temporarily filling in for Casey; Severide closes in on a dangerous and deadly arsonist.

Severide and Herrmann clash over office space; Boden looks at Pelham's past as he considers making him permanent; Gallo's resentment of Pelham comes to a head; Brett and Ritter force Violet to confront her true feelings for Gallo.

A video of Casey from the roof rescue goes viral; Mouch sets up a Little Free Library at Firehouse 51; Herrmann breaks protocol.

Griffin learns the truth about his father's death and reveals why he really came to visit Casey; Gallo, Ritter and Violet take steps to expand their microbrewery business.

Kidd spreads her wings as a lieutenant; Chief Hawkins rides with Ambulance 61 to learn more about Brett; Casey takes a trip out of town; a Ritter date night turns into an emergency situation.

Casey makes a life-altering decision; Gallo, Ritter and Violet agree to an interview and photo shoot; Brett and Mouch launch the paramedicine program; Cruz comes closer to fatherhood.

A major security breach in the city's computer networks forces Firehouse 51's senior leaders to take matters into their own hands; Severide gears up for an arson investigation.

Gallo clashes with the new lieutenant temporarily filling in for Casey; Severide closes in on a dangerous and deadly arsonist.

Severide and Herrmann clash over office space; Boden looks at Pelham's past as he considers making him permanent; Gallo's resentment of Pelham comes to a head; Brett and Ritter force Violet to confront her true feelings for Gallo.

A video of Casey from the roof rescue goes viral; Mouch sets up a Little Free Library at Firehouse 51; Herrmann breaks protocol.

Griffin learns the truth about his father's death and reveals why he really came to visit Casey; Gallo, Ritter and Violet take steps to expand their microbrewery business.

Kidd spreads her wings as a lieutenant; Chief Hawkins rides with Ambulance 61 to learn more about Brett; Casey takes a trip out of town; a Ritter date night turns into an emergency situation.

Casey makes a life-altering decision; Gallo, Ritter and Violet agree to an interview and photo shoot; Brett and Mouch launch the paramedicine program; Cruz comes closer to fatherhood.

A major security breach in the city's computer networks forces Firehouse 51's senior leaders to take matters into their own hands; Severide gears up for an arson investigation.

A search mission for three women missing in Yosemite Park turns to a murder investigation when two are discovered in the trunk of their burned out car.

Police search for the killer of an elderly upscale Toronto couple.

A single woman and her two young sons believe they have found a perfect new apartment, but their overbearing landlord and neighbor soon turns their idyllic situation into a living hell of arguments and intimidation that finally ends in bloodshed.

When an unidentified burned corpse is found in a field, state-of-the-art forensics is turned to.

Team One attempts to contain a radioactive threat with the help of firefighters, paramedics and the military.

A single woman and her two young sons believe they have found a perfect new apartment, but their overbearing landlord and neighbor soon turns their idyllic situation into a living hell of arguments and intimidation that finally ends in bloodshed.

When an unidentified burned corpse is found in a field, state-of-the-art forensics is turned to.

Team One attempts to contain a radioactive threat with the help of firefighters, paramedics and the military.

A single woman and her two young sons believe they have found a perfect new apartment, but their overbearing landlord and neighbor soon turns their idyllic situation into a living hell of arguments and intimidation that finally ends in bloodshed.

Team One attempts to contain a radioactive threat with the help of firefighters, paramedics and the military.

When an unidentified burned corpse is found in a field, state-of-the-art forensics is turned to.

Gallo, Violet and Ritter debut their microbrewery business at Winterfest; Brett prepares to present her paramedicine program to an oversight panel; Firehouse 51 gets in the holiday spirit.

Stella Kidd returns to Firehouse 51; the team must work together to put out a potassium fire in a tunnel; after that incident, Ritter begins to worry about a young cop who witnessed the fiery death of a truck driver.

On a call with Station 37, a firefighter is struck by a power line and decides to lash out after her injury; Brett is visited by Scott and Amelia; Violet gets a surprise envelope; the rest of 51 enters a contest.

Boden, Kidd and Severide work together to protect one of their own; at the Fire Academy, Herrmann meets an inspiring young man; talk of the annual CFD Gala dominates the firehouse.

Severide and Seager team up to investigate a fire at the home of a troubled young woman; Pelham moves into 51's rumored cursed office; Kylie assists Kidd with Girls on Fire.

Chief Hawkins goes above and beyond to help Brett and Violet with a problem; Kidd pursues an open lieutenant position; a blast from the past asks Mouch and Herrmann for a favor.

The rivalry between elite gymnasts Kelly and Jessica turns toxic when Kelly is selected for the national squad; Kelly's father Paul is haunted by an accuser from his past, and Kelly becomes jealous of Jessica's growing attraction to Adam.

Chin Gigante is released from prison and seeks to excise Joe Colombo from the Commission.

Bumpy and Chin enlist Morgenthau's help to prevent Colombo and Battle from bringing in a shipment of heroin, guns, and cocaine; Stella must choose between Colombo and her father.

On a call with Station 37, a firefighter is struck by a power line and decides to lash out after her injury; Brett is visited by Scott and Amelia; Violet gets a surprise envelope; the rest of 51 enters a contest.

Boden, Kidd and Severide work together to protect one of their own; at the Fire Academy, Herrmann meets an inspiring young man; talk of the annual CFD Gala dominates the firehouse.

The rivalry between elite gymnasts Kelly and Jessica turns toxic when Kelly is selected for the national squad; Kelly's father Paul is haunted by an accuser from his past, and Kelly becomes jealous of Jessica's growing attraction to Adam.

Chin Gigante is released from prison and seeks to excise Joe Colombo from the Commission.

Bumpy and Chin enlist Morgenthau's help to prevent Colombo and Battle from bringing in a shipment of heroin, guns, and cocaine; Stella must choose between Colombo and her father.

Once-friendly neighbors on a mountain road become sworn enemies after one family calls police about a theft - violating the unspoken tradition of leaving authorities out of disputes; years of conflict finally culminate with shots fired.

A serial rapist stalks elderly women for nearly 20 years before escalating to murder.

The team rushes to save a woman when a disturbed man holds her hostage outside an office building.

Once-friendly neighbors on a mountain road become sworn enemies after one family calls police about a theft - violating the unspoken tradition of leaving authorities out of disputes; years of conflict finally culminate with shots fired.

A serial rapist stalks elderly women for nearly 20 years before escalating to murder.

The team rushes to save a woman when a disturbed man holds her hostage outside an office building.

Once-friendly neighbors on a mountain road become sworn enemies after one family calls police about a theft - violating the unspoken tradition of leaving authorities out of disputes; years of conflict finally culminate with shots fired.

The team rushes to save a woman when a disturbed man holds her hostage outside an office building.

A serial rapist stalks elderly women for nearly 20 years before escalating to murder.

Halstead takes heat for making an unauthorized move to treat his pregnant patient; Choi becomes personally invested when treating a homeless veteran; Rhodes and Bekker deal with a patient who desperately needs a liver transplant.

Manning and her three-year-old patient are trapped in a helicopter as the toddler's stats decline; Charles isn't sure Choi's alcoholic patient with liver failure has quite hit rock bottom.

Halstead hides the theft of his gun from a suspicious Manning; tensions are still high between Connor and Bekker, who take a risk operating on an HIV-positive patient; Hank breaks down when he sees a patient from his past.

Connor, who is in hot water with the hospital's Oversight Committee, handles a gunshot victim who has unexpected ties to Halstead; Maggie feels guilty about the return of a former patient; Charles has an awkward first date.

After witnessing a pickup truck plow through a street fair, Natalie and Maggie must make tough decisions on the fly; at the hospital, doctors and nurses are on high alert with the influx of patients; Dr. Charles' ex-wife comes to town with news.

Halstead treats a woman on the verge of freezing to death; Dr. Charles' ex-wife receives some concerning news; Choi handles a lymphoma patient with viral meningitis and a complicated family; Manning makes a house call.

When a car unexpectedly smashes through the ambulance bay doors, Dr. Choi makes some difficult decisions in an effort to save a worker trapped beneath the wreckage and April, who's also in danger.

Numb from trauma, Elizabeth returns from the conflict and is stopped by Stokely for questioning; she finds an ally in Hampton.

Manning and her three-year-old patient are trapped in a helicopter as the toddler's stats decline; Charles isn't sure Choi's alcoholic patient with liver failure has quite hit rock bottom.

Halstead hides the theft of his gun from a suspicious Manning; tensions are still high between Connor and Bekker, who take a risk operating on an HIV-positive patient; Hank breaks down when he sees a patient from his past.

Connor, who is in hot water with the hospital's Oversight Committee, handles a gunshot victim who has unexpected ties to Halstead; Maggie feels guilty about the return of a former patient; Charles has an awkward first date.

After witnessing a pickup truck plow through a street fair, Natalie and Maggie must make tough decisions on the fly; at the hospital, doctors and nurses are on high alert with the influx of patients; Dr. Charles' ex-wife comes to town with news.

Halstead treats a woman on the verge of freezing to death; Dr. Charles' ex-wife receives some concerning news; Choi handles a lymphoma patient with viral meningitis and a complicated family; Manning makes a house call.

Numb from trauma, Elizabeth returns from the conflict and is stopped by Stokely for questioning; she finds an ally in Hampton.

An Army veteran delivers a parcel to his neighbor, but instead of receiving gratitude, he ignites a war between the two military men that spirals out of control, until the feud finally ends in a hail of bullets.

A sniper targeting abortion doctors turns murderous and a DNA "needle in a haystack" identifies the gunman.

Sgt. Parker is forced to confront his feelings about his child when a desperate man at a hospital holds doctors at gunpoint until his dying daughter gets a new heart.

An Army veteran delivers a parcel to his neighbor, but instead of receiving gratitude, he ignites a war between the two military men that spirals out of control, until the feud finally ends in a hail of bullets.

A sniper targeting abortion doctors turns murderous and a DNA "needle in a haystack" identifies the gunman.

Sgt. Parker is forced to confront his feelings about his child when a desperate man at a hospital holds doctors at gunpoint until his dying daughter gets a new heart.

An Army veteran delivers a parcel to his neighbor, but instead of receiving gratitude, he ignites a war between the two military men that spirals out of control, until the feud finally ends in a hail of bullets.

Sgt. Parker is forced to confront his feelings about his child when a desperate man at a hospital holds doctors at gunpoint until his dying daughter gets a new heart.

A sniper targeting abortion doctors turns murderous and a DNA "needle in a haystack" identifies the gunman.

The disastrous cruise continues when Bobby and Athena respond to the ship's explosion, racing to aid injured passengers; Hen questions her instincts in a life-taking call and grows concerned about Athena and Bobby's whereabouts.

With each moment becoming critical as the ship flips upside down, Athena and Bobby take charge, seeking methods for rescue while navigating efforts to guide survivors to safety; Hen defies protocols in her search for Bobby and Athena.

Upon her return to shore, Athena's son finds himself in trouble with the law; Buck grows envious as Eddie forms a close bond with someone else; the team rescues a woman who's stuck on receiving a rose at an iconic mansion.

Hen and Karen welcome a new addition to their family; a call unfolds involving a person's limb that's taken on a mind of its own; Eddie and Marisol take a closer look at their relationship; Buck navigates his new feelings.

After years of anticipation, Maddie and Chimney's long-awaited wedding day arrives; when the groom mysteriously vanishes, the 118 races against time to ensure he doesn't miss the most crucial day of his life.