A band of soldiers is dispatched to war games deep in the woods. When they stumble across a rival team slaughtered in camp, they realize they're not alone.
While doing a friend a favour and searching for a runaway teenager, a police detective stumbles upon a bizarre band of criminals about to pull off a bank robbery. The screenplay by Christopher Cannan and Steve Barancik is based on the short story "The House in Turk Street" by Dashiell Hammett.
The friends Emmett, Freddy, Marie, Kevin and his reluctant girlfriend Jessie decide to spend the Halloween night in an abandoned hospital. Meanwhile, the younger Allan meets the old friend of his father Arlo Ray Baines and asks him to help to find his vanished sister Meg in the same spot. The two groups meet each other in the mental institution section on the haunted third floor.
