The Witness Vanishes

In this mystery, a newspaper executive and three of his colleagues conspire to have the owner of the highly-respected London Sun committed to an insane asylum. The hapless publisher manages to escape. Soon after, the four collaborators begin dying one-by-one. Oddly their obituaries appear in a rival publication before they are actually killed.

Danger on the Air

Trouble begins when a hated cad of a sponsor is found murdered during the climax of a live radio show. A radio engineer then tries to solve the murder.

Exile Express

A San Francisco reporter and a lab assistant foil spies on an East-bound deportation train.

Personal Secretary

Two rival newspaper columnists battle over whether or not a woman murdered her playboy husband.

The Black Doll

Nicholas Rood, dishonest mine owner, finds a Black Doll on his desk and knows that vengeance is about to overtake him for murdering his former partner. He is knifed as he talks to his daughter Marian. She summons her fiancé Nick Halstead, a private detective. He finds that six people had a motive for the murder; Rood's sister Mrs. Laura Leland; her son Rex; Rood's associates Mallison and Walling; Esteban, a servant and Dr. Giddings. Sheriff Renick and his deputy Red get the clues all mixed up, but Nick finally narrows the search down to one ...

The Lady in the Morgue

A detective investigates the disappearance of a girl's body from the city morgue.

The Last Express

A woman finds herself unwillingly mixed up in a series of murders. At the behest of the district attorney, private detective Duncan MacLain (Kent Taylor) investigates the probability of corruption in high government circles.