A crooked gambler poses as a descendant of a noble Spanish family has successfully secured court validation of a counterfeit land grant, and proceeds to drive out ranchers already settled on the land with high taxes, road tolls and violent tactics. A pair of horse sellers pitch in to help a customer, his daughter, and the other "tenant" ranchers after being roughed up by toll collectors when they refuse to pay the assessed toll.

A stagecoach line hires an agent to stop a string of robberies of gold shipments.

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.

A U.S. marshal is sent to investigate a gang that is stealing horses from the cavalry.

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.

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.

After a payroll robbery the Mesquiteers catch up with the gang. But the members escape, the gang leader is killed, and they end up with only the leaders young son who is quickly sent to a work farm. They adopt the boy hoping to learn where the money is. Just as their kindness is about to pay off a gang member takes the boy away forcing him to retrieve the money. - Written by Maurice VanAuken

Driving off an Indian attack, the soldiers capture one of the Indian rifles only to learn that it came from their own warehouse. With Lieutenant Bentley and Sergeant Luke having the only keys to the guns, Bentley finds himself under suspicion and starts to investigate.

Kirby and Evans are pulling off an irrigation project swindle and newspaper editor Scott realizes it and sends for Lee. Lee agrees with Scott and forms a vigilante group to fight the Sheriff and his deputies brought in by Kirby. But a dying Uncle Dan sets the Sheriff straight and this brings the two sides together for the big shootout.

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.