A slightly disturbed young amateur photographer finds that his father has been secretly having an affair with his co-worker. Thus begins a spiral into blackmail, stalking, and voyeurism.
Nicole Walker always dreamed of being swept away by someone special — someone strong, sexy and sensitive who would care for her more than anything else in the world. David is all that and more: a modern-day knight who charms and seduces her, body and soul. But her perfect boyfriend is not all he seems to be. His sweet facade masks a savage, dark side that will soon transform Nicole's dream into a nightmare.
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.
Martin Durnley is a young man with an infantilizing mother, resentful stepfather and an institutionalized brother with Down's syndrome. To cope, he retreats into an alternate child personality he calls Georgie. After being caught during a theft attempt at a department store, he befriends a female customer who is sympathetic to him, but his friendship soon turns into obsession.
Evan values family above all else, and anyone who gets between him, his wife, and newborn son learns that the hard way. But when it comes to violent tendencies, it seems the apple doesn’t fall far from the tree.