In 1970s Hollywood, Detective Philip Marlowe tries to help a friend who is accused of murdering his wife.

Leslie Calvin, the sole survivor of a submarine accident, goes to her relatives in order to recover emotionally. Unfortunately, she encounters various scam artists led by Mr. Sydney who intend to kill her and steal the family assets. Dr. George Grover helps Leslie to defeat Sydney.

Ellery Queen's vacation is interrupted when murder strikes next door to his oceanside cabin.

Amateur sleuth Ellery Queen learns the truth about a businessman's two long-lost daughters.

A man is framed for embezzlement and runs off to San Francisco. His wife hires Ellery Queen to try and track him down before the police get to him.

The benefactor of the Stack Memorial Hospital dies after an operation. Ellery Queen investigates when it is revealed the cause of death was murder by strangulation.

Several days after one of his company's dams burst, ruining the life savings of several investors, a shady power company president is found stabbed to death. Ellery Queen gets to the bottom of the mystery.

Detective Ellery Queen aids Free Dutch agents battle Nazi spies over a prize of industrial diamonds.

Famed detective and crime novelist Ellery Queen solves a case involving the suspicious death of a rich man whose inheritors fight over his estate.

Ellery Queen solves a mystery involving a valuable stamp.

A troubled young woman agrees to spend two weeks at a friend's Manhattan penthouse while the friend is away on a modeling assignment, but a series of mysterious disturbances begin occurring during the night.

Wealthy widow Mrs. Bramson notices that her maid is distracted, and when she learns the girl's fiancé, Danny, is the reason, she summons him in. Mrs. Bramson's niece Olivia takes a liking to Danny, and comes to believe that he may have been involved in the disappearance of a local woman.