A psychiatrist, who specializes in hypnosis, murders the husband of his mistress and convinces her to lie to the police; it's up to Lt. Columbo to discover the truth.
Mark Collier is a psychiatrist and Nadia Donner is a patient of his. Mark is also Nadia's lover and his main concern is for a book he is writing. When Nadia and Mark are caught by her husband, Mark kills him with a poker. When the police arrive Nadia tells an unlikely story about two robbers. But will Lt. Columbo believe her?
Written by Baldinotto da Pistoia