High-school seniors on their way to prom are hijacked by a psychotic killer. As he tortures the teens, they turn on each other to survive.High-school seniors on their way to prom are hijacked by a psychotic killer. As he tortures the teens, they turn on each other to survive.High-school seniors on their way to prom are hijacked by a psychotic killer. As he tortures the teens, they turn on each other to survive.