A group of young explorers discover a secret area hidden from all maps and GPS devices. When they reach the center of the lake, they discover an abandoned facility that houses one of the largest, and deadliest apex-predators known to man.

A group of young explorers discover a secret area hidden from all maps and GPS devices. When they reach the center of the lake, they discover an abandoned facility that houses one of the largest, and deadliest apex-predators known to man.