Ellery Queen's Penthouse Mystery

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

Ellery Queen solves a mystery involving a valuable stamp.

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.

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

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.

Detective Ellery Queen sets out to solve a puzzling case following the sudden death of a wealthy businessman.

Susan Hart, assistant to private detective Russ Ashton, is given a camera concealed in a hat box and assigned to take a picture of a woman. A gun is accidentally hidden in the box and the woman is killed. Susan is charged with murder, but Russ and his less-than-useful associate, Harvard, get on the case.

A social gathering is rocked to its core when Jack accuses his best friend's wife of infidelity. But as the allegations start flying, it soon emerges that a far more sinister game may be at play...

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.

Local journalist, Cameron Colley writes articles that are idealistic, from the viewpoint of the underdog. A twisted serial killer seems to have some motives. His brutal murders are also committed on behalf of the underdog. The stories begin to merge and Cameron find himself inextricably and inextricably implicated by the brutal killer. The arms dealer that Cameron plans to expose is found literally 'disarmed' before he can put pen to paper. The brewery chief, loathed by Cameron, who sold up at the expense of his workers, finds himself permanently unemployable. The police are convened of Cameron's guilt and so are half his friends and colleagues. Cameron is forced to employ all his investigative skills to find the real killer and his motive.