A young lawyer is elected mayor of the city and promises to rid it of the corruption it's famous for. The problem is that most of the corruption he's vowed to eliminate is caused by the crooked political machine that helped elect him.
Cheyenne rides into Durango and runs into his old enemy Kelton. Kelton's game is to bring his safe to a town without a bank and let the townspeople put their valuables in it. Then he grabs the loot and flees. But Cheyenne is on to his scheme and finding the safe empty, gets the Sheriff to join in the chase.
The son of Sheriff Clay Hartley, of the frontier town Elder, has gotten into bad company and hangs out with an outlaw gang in which, Collins, owner of the Golden Rule Saloon, is the secret head. Sheriff Hartley suspects him, but has been unable to gather the needed evidence. Collins instructs his gang, including young Hartley, to hold up the stagecoach on its return trip from Missionary Flats and take the cargo of gold dust it is carrying. Sheriff Hartley is notified of the planned holdup by one of his deputies who has been spying on Collins, and organizes a posse. A deputy-sheriff is killed in the ensuing gunfight between the lawmen and the outlaws, but Deputy Joe Larkin, pursues and captures Clay Hartley Jr. The latter is quickly tried and convicted of the killing of the deputy, and sentenced to be hung. Sheriff Hartley has only a few hours to prove his son was not the killer. He enlists the aid of Collins' step-daughter, Joan, who is in love with Hartley's son.
A gang of robbers steals the deed to the Pecos Ranch and kill the family. The young son escapes, and years later he returns to the ranch to find the killers and reclaim his property.
Cowboy infiltrates an outlaw gang to expose their rackets, but after he's ordered to kidnap a young girl, the gang finds out who he really is.
David De Portola, an outstanding athlete with an abundant youthful exuberance, is raised by a wealthy American guardian. He learns that he is the heir to the throne of Translavia and is recalled to accept the Crown, which along with the freedom of the country is threatened by the impostor, Black Prince. During a forbidden outing on the town with his college sidekick, Mickey Daniels, who has been brought along to make a (unintended) bungling Major Domo, David meets the lovely Princess Carmencita who, unknown to David, is to be the wife of the new King. David rejects his crown when told he must marry a girl he doesn't know. Black Prince has no trouble detaining him until David learns that Princess Carmencita is the girl he must marry. Delighted with this prospect, he saves the country, Crown and Princess following a wild and humorous escape from his captors.
Cheyenne joins El Diablo's gang looking for his long time missing wife and daughter. After saving Romero from the gang he returns to get Connie who he now realizes is his daughter. Captured, he escapes with Connie and they return to Romero's just ahead of El diablo's attacking gang.
An old miner is ambushed by outlaws trying to steal the $10,000 he is carrying to start up a new mine. A passing cowboy comes to the miner's aid, but winds up getting blamed for the attack.
Prison escapee Utah Evans kills Sheriff McClay. Joe Norton was McClay's predecessor and sent Utah to prison. Ma McClay having taken over as Sheriff for her husband, now gets Joe to return. Joe sets out to get Utah and Utah, learning Joe is after him, hopes to get revenge for being sent to prison.
