Single mother Chloe has her life turned upside down when her younger sister, Sadie, comes home after a long, unexplained absence. Though Sadie seems to want to settle in with her sister and 17-year-old niece, it soon becomes apparent that she may have sinister intentions.

Single mother Chloe has her life turned upside down when her younger sister, Sadie, comes home after a long, unexplained absence. Though Sadie seems to want to settle in with her sister and 17-year-old niece, it soon becomes apparent that she may have sinister intentions.