Awkward young artist Jack worships classmate Joan from afar and secretly draws pictures of her. But when Joan realizes this, so does her Neanderthal boyfriend, who's further enraged when Jack draws a unflattering parody of him for the school newspaper. To amuse himself, Jack draws The Phantom, a character that can do his bidding, but The Phantom comes to life to exact revenge on Joans boyfriend and he kidnaps her and stuffs her in a locker.
After escaping her captor, claustrophobic Joan returns home, but her quiet weekend alone takes a drastic turn when shes terrorized by a friend of her roommate who demands to know the intimate details of her kidnapping.