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.
After a tragic event happens, composer John Russell moves to Seattle to try to overcome it and build a new and peaceful life in a lonely big house that has been uninhabited for many years. But, soon after, the obscure history of such an old mansion and his own past begin to haunt him.
