After a convict breaks in a psychotherapist's home, he agrees to rehabilitation rather than arrest but the therapist's wife becomes infatuated with him.
A homicide detective goes undercover as a patient to investigate a psychotherapist he believes is linked to a strange double murder. As his therapy sessions continue the line between fantasy and reality begins to blur.
Zach Riley is a psychiatrist, who leaves a job at a prestigious university, to take up a job at the privately run mental institution, Millwood. What he doesn't reveal at the time of his appointment is that this was the very place where his novelist father, T.L. Pierson, spent many years of his life.
The wife of a psychoanalyst falls prey to a devious quack hypnotist when he discovers she is an habitual shoplifter. Then one of his previous patients now being treated by the real doctor is found murdered, with her still at the scene, and suspicion points only one way.