A man dodges jewel thieves while carrying a fortune in diamonds on the Orient Express.

A young doctor is determined to expose the killer when a surgeon is found stabbed to death in a hospital elevator.

In this Roy Rogers entry, featuring a song written by Oklahoma Governor Roy J. Turner (making him and Lousiania's Jimmie Davis and Texas' W.E. "Pappy" O'Daniel possibly the only state governors to write songs used in a western), Flying U ranch owner Sam Talbot is killed by a fall from a horse. St. Louis reporter Connie Edwards comes to check a rumor that he might have been murdered. She goes to Roy Rogers, editor of the local newspaper, and he takes her to the reading of Talbot's will. The ranch is left to Talbot's 12-year-old ward, Duke Lowery, much to the dismay of Talbot's niece, Jan Holloway. After some attempts on Duke's life, Roy finally proves that Jan, Steve McClory and coroner Jim Judnick had Talbot killed and are conspiring to do the same for Duke, making Jan the last heir.

Three US sailors aboard a decoy ship fight German U-boats in World War I and try to win Sally who works on the Coney Island midway.

A notorious counterfeiter passes himself off as a Secret Service agent to Steve and gets him to unwittingly help him bilk the racetrack out of tens of thousands.

A young model is set up with her own fashion business by a crooked financier, who sells worthless bonds.

After the death of a gangster, those familiar with his million dollar stash start mysteriously dying. Police detectives with the help of a clairvoyant try to determine who, living or dead, is responsible.

A playwright descended from the Borgia family becomes a murder suspect.

Beleaguered adventurer Carl Denham returns to the island where he found King Kong.

Walter Mitty, a daydreaming writer with an overprotective mother, likes to imagine that he is a hero who experiences fantastic adventures. His dream becomes reality when he accidentally meets a mysterious woman who hands him a little black book. According to her, it contains the locations of the Dutch crown jewels hidden since World War II. Soon, Mitty finds himself in the middle of a confusing conspiracy, where he has difficulty differentiating between fact and fiction.