Fanchon Royer Pictures

Aircraft are being shot down by a large black plane with a big "X" painted on the wing. The chief suspects are invited for the weekend to an old dark mansion.

The son of a disgraced Olympic decathlete prepares to become a star in his own right. His quest is complicated by a beautiful girl and a bitter rival.

Cub reporter Daniel Greely gets a job on a big city newspaper. A string of robberies occur and the owner of the paper blames the police for not rounding up the crooks. Daniel discovers that a coded message in the newspaper's editor's box tips the crooks about each robbery.

William Bakewell stars as an inventor who develops a high-powered boat engine. Bakewell, of course, created this wonder machine to benefit mankind-and, incidentally, to win an upcoming motorboat race.

A wealthy young woman, racked with guilt because she wasn't there when her mother died, is so desperate to contact her that she gets involved with a phony mystic who promises to put her in touch with her mother's spirit, but who is really after her money. A reporter who loves the young woman sets out to expose the phony "psychic" for the charlatan he is.

A man's wife is put on trial for the murder of his first wife.

Larry Evans, champion race car driver, is envied by his chief rival, Eddie DeSylva, who has more ambitions than merely winning the races; he has designs on the motor patent held by Corbett (Tom Moore), Larry's employer. Eddie also has a yen for Corbett's daughter, Norma, who prefers Larry. Eddie intentionally causes a race wreck that injures Larry and sends him to the hospital.