Psychotic sex murderer Marco is put under the care of Kenneth, a psychiatrist. Kenneth is unable to obtain a divorce from his alcoholic wife, Valerie. Kenneth's mistress, Stacy, tells Kenneth of the use of brainwashing in the film version of The Manchurian Candidate and inadvertently gives Kenneth an idea of how to kill his wife: Kenneth hypnotizes Marco and instructs him to kill Valerie. Valerie learns of the plot and arranges for Stacy to be in her place.