Sky Racket

Jerry Cummings, a mining engineer, has pledged a large diamond on a short-term note to a pair of crooked loan sharks, Crone and Jan Jaffin, and heads for Mexico. His daughter Betsy, posing as a jewel thief called Mary Layton, is working to keep the crooks from absconding with the jewel, and her efforts are hindered greatly by an artist, Jimmy Baxter, who thinks she is a crook and Crone and Jaffin the good guys.

Shortly after Brand kills Gelbert, Tom Rayburn arrives on the scene and is accused of the murder. Escaping, he goes after Doc Mathews, the man that can prove his innocence. Brand is also after Mathews and intends to keep him from testifying. But Mathews is a ventriloquist and this will lead to Brand's downfall.

Tyler is a range detective whose brother stands accused of robbing a bank and murdering the bank president. To prove him innocent, Tyler must decipher his only clue, an unusual set of tire tracks.

Cattlemen's Protective Association agent Tom Wade and his partner Happy are assigned to look into the disappearance of rancher John Carroll, who has been abducted by Carson, who wants to use his out-of-the-way ranch as a base for his smuggling operations. Complications arise as Carrol's daughter, Rita, looking for him, has an unfriendly run-in with Wade, then later is herself kidnapped by Carson.