A singing postal inspector (Gene Autry) and his partner (Smiley Burnette) save a woman's (Gail Davis) estate from fraud.

A man escapes from prison, then joins up with a gang of stage robbers while at the same time working as a deputy in a distant town, hoping to ultimately find the outlaw who killed his father during a robbery years ago.

Clay gets a musical troop out af jail and helps raise money so they can put on their show. During the performance Blake and his men rob the box office. The townsmen give chase and Clay goes after Blake.

Jimmy Dixon, pursued by a band of Mexicans, changes clothes with a tramp, who takes off on his horse. Four miles later, Jimmy walks onto the Double-O Ranch, from which he had been thrown off four years before by his dad, who had blamed Jimmy for something that his twin brother Duke had done. Duke, home from college, took over the ranch when Mr. Dixon became ill, and has run it into the ground. When Duke goes to the bank to repay a debt to Jimmy, he rides onto Phoenix with all of the ranch money.

Gene and Frog set out to find out who has been causing the accidents at a dam construction site.

Bob Terry is in love with Lois Borden the daughter of his employer, John Borden. When some bonds are missing from the office, Bob is accused and because of Borden's strong sense of obligation to his stockholders, Bob is railroaded to prison. A few years later, the real thief is apprehended and Bob is released. He now begins his plan for revenge against Borden with the aid of his prison cell mate Todd and a gangster, John Carmody. Soon, some bonds are missing again and Borden knows Bob is involved but because Bob has suffered at his hands before, Borden assumes the responsibility and is about to be sentenced to prison. Todd is shot while trying to steal the bonds back from Carmody, but gets the bonds back to Bob and, before he dies, begs Bob to return them to the owner.

When football player Tex fletcher arrives home he finds his father missing. Jim Davis has killed the father and learning of Tex's identity.

The Cisco Kid and his buddy Gordito arrive in town and learn that Cisco is supposedly dead. Not only that: Before his death, he is believed to have attempted to steal Susan Wetherby's land.

Knowing the railroad is coming, Carter is after the rancher's land. Bob and Chito return just in time to save Banker Stockton and his money from Carter's men. When Stockton then lends the ranchers money, Carter has them burned out. Bob knows Carter is responsible and when Carter's henchman Saunders is recognized, Bob goes into action.

Ranger Ray plans to marry stage driver Bill Mason's daughter Mary, but there are problems ahead....