Loner Mark Lewis works at a film studio during the day and, at night, takes racy photographs of women. Also he's making a documentary on fear, which involves recording the reactions of victims as he murders them. He befriends Helen, the daughter of the family living in the apartment below his, and he tells her vaguely about the movie he is making.
Architect Walter Craig, seeking the possibility of some work at a country farmhouse, soon finds himself once again stuck in his recurring nightmare. Dreading the end of the dream that he knows is coming, he must first listen to all the assembled guests' own bizarre tales.
A year after Sheila is killed in a hit-and-run, her multimillionaire husband invites a group of friends to spend a week on his yacht playing a scavenger hunt-style mystery game — but the game turns out to be all too real and all too deadly.
