 Two men have already been killed during intercourse by a prostitute. The young Sargent Peckham is transferred from vice to homicide squad for the investigation. She asks her boyfriend, police psychologist David Stratton, for an analysis. Shortly after he s introduced to amnesia patient Felicity, a stunningly beautiful blonde. She tells him of her nightmares, in which she kills her lovers. But since he s got a crush on her, he doesn t draw a connection to Peg s case... not yet.