A wealthy psychiatrist murders the husband of his mistress to protect his own reputation.
A legendary cosmetics queen has a formula copied that may be sold to her arch-rival, but she has a spy in the enemy's camp: her arch-rival's secretary.
The family and friends of brilliant naval architect Commodore Otis Swanson have gathered for the company's annual party.
Columbo thinks a soap opera star, who plays an egotistical detective, has killed a former lover.