A jockey finally hits the big time, but he lets his success go to his head, threatening his career and his life.

Chinese detective Charlie Chan solves a murder linked to the occult.

An evil scientist invents a earthquake machine and plots to take over the world from his base in Africa.

A New York playboy, Wayne Carter, dates wild women until he falls for a hard-working stenographer, Helene Andrews.

Winnie Lightner is the head of a health clinic and has Joe E. Brown as one of her employees. Brown is a wrestler named JoJo and he is forced to enter the ring and face down a musclebound masked opponent (Frank S. Hagney). Making matters worse, the masked marauder is convinced that his wife has been fooling around with JoJo. JoJo is knocked out early in the proceedings, whereupon he dreams he's a sultan surrounded by harem girls. A romantic subplot involves Paul Gregory and Claudia Dell. Gregory works for Dell's father and Dell asks her father to give Gregory a promotion so that she can spend more time with him. When Gregory refuses to be promoted without earning the position, she threatens to have him fired and Gregory quits his job. Gregory attempts to start a new career as a championship wrestler and is trained by Lightner and Brown. When Dell finds out about this, she attempts to stop him and asks for his forgiveness. She pleads with him to not fight but he has already promised...

Guests at a luxury hotel are horrified when they witness a man literally "disappear into thin air." The vanished man's relatives hire a detective, who goes to the hotel to investigate the disappearance.

A man is promised $25,000 if he can bring the circulation of a newspaper up to one million.

Mr. and Mrs. Warner Bros. Pictures and their precocious offspring, Little Miss Vitaphone, host a dinner in honor of Warner Bros. Silver Jubilee, attended by most of the major players and song writers under contract to WB at that time.

A newly hired police chief vows to clean up a notoriously corrupt police department. When he is murdered, investigators find that there is no shortage of suspects, most of them being fellow cops.

A Professor has an invention that will bring down planes causing them to crash and Dawson is forcing him to use it on those carrying money. When Tim arrives to investigate he is mistaken for a noted outlaw. So he assumes that identity to force Dawson to make him a partner. But just as a plane bringing Tim help is arriving, his true identity is revealed and while he is a prisoner, Dawson forces the Professor to start his machine.