Three former band mates enter a cave after hearing it has the power to give them what they need. As unsettling desires rise to the surface, they all wonder if the cave has real power.

In 1989, a breakthrough in “advanced parasitic research” on Cuttyhunk Island gave scientists a jump in human evolution. Initial tests proved promising, as subjects experienced heightened physical and mental strength and awareness. But – something in the experiment went horribly wrong, and the island mysteriously lost three quarters of its population.

Thrown naked into a desolate room with thirteen strangers, Tonya discovers that she is the final contestant in a deadly game. Restrained by lethal electronic collars, the players must utilize hints and tools from a box marked “pieces” to find both an exit and the reason for their abduction. One by one the players are eliminated as their “curfew” begins and the lights go out. With each dead body comes another clue, which they use to discover that one of them is the killer. The question is … which one?