Fashionable Manhattan therapist Dr. Robert Elliott (Caine) faces the most terrifying moment of his life when a psychotic killer begins attacking the women in his life (Dickinson, Allen) with a straight razor stolen from his office. Desperate to find the murderer before anyone else is hurt, Elliott is soon drawn into a dark and disturbing world of chilling desires. And as the doctor edges closer to the terrible truth, he finds himself lost in a provocative and deadly maze of obsession, deviance and deceit where the most harmless erotic fantasies can become the most deadly sexual nightmares!