Before he was murdered Grandpa Martin found a gold mine. He failed to record it and now everyone is looking for Martin's old horse that can lead them to it. When under-cover Texas Ranger Autry arrives to investigate, he is accused of the murder and finds the Sheriff after him.
A miner who was swindled out of his mine by a banker turns to robbing stagecoaches. Several years after he is tracked down and killed, his son comes to town to tangle with the banker.
Recently discharged cavalry sergeant Chad Santee joins his brother, Jubal, and discovers that Jubal is a wanted outlaw. On the way he meets Rose Fargo and rescues her from the unwanted advances of a gambler, "Blackjack". When Chad and Rose arrive they find that Jubal and his partner, Shawnee, are really rustlers and outlaws. Jubal tries to get Chad to join them but he refuses, and leaves to set up his own homestead with Rose at his side. Later, the repentant Jubal comes to join him. Shawnee, angry at what he considers a double-cross, attacks the brothers with his gang.
When his ranch falls on hard times, Cowboy Roy Roger has trouble making his mortgage payment and he takes his song and dance to Wall Street to try to raise cash fast.
Just before the turn of the Century two young outlaws team up for a historic ride. Based on historical references, the "True Story" of Butch Cassidy and the Sundance Kid.
A Mexican gang headed by vicious Pedro terrorizes the land between New Mexico and Arizona. Jeff a youth whose father has been killed by Pedro seeks revenge.
A battle between revolutionary Mexicans and the U.S. cavalry brings Zorro onto the scene to enact vengeance for violent acts incurred by the cavalry Sergeant. Once the Sergeant is killed, Don Jose de la Torre retires from being Zorro and settles down to live a quiet life. The brother of the Sergeant, in an act of his own justice, dons the costume of Zorro and terrorizes the countryside. In an act to draw out the true Zorro, the imposter kidnaps Don Jose's wife, making him once again don the mask to rescue her.
Scanlon is pulling off a land swindle by selling lots in a ghost town claiming the power company is bringing in a line. As a bonus he throws in shares in a worthless gold mine. Gene is on to Scanlon and tries to get him to buy back the deeds by salting the mine with gold. But when a new vein is really discovered Gene has to stop the sales but is trapped in the mine by Scanlon's men.
A landslide has diverted water from the Baldwin ranch to Cambert's. With their cattle dying, Cambert refuses to let them have any water. Easterner Larry Knight takes a job with the Baldwins and he has a plan to divert the water back to the Baldwin ranch. But Phil, jealous of Kitty's attraction to Larry, lets Cambert know of the scheme.
Gene and Frog, out to stop a bunch of cattle rustlers, assume the identities of what they believe to be dead bandits, which soon gets them in big trouble.
The fifth film in the 24-film Range Busters series finds "Crash", "Dusty" and Alibi, on their way to Gopher City to become the town's peace officers. In the saloon, young Jimmy Rowell is losing money in a crooked poker game to saloon owner Bob Harmon. Harmon and his henchman Bart Gill are in reality wanted-outlaw brothers Jim and Ike Breedon seeking revenge against Jimmy and his school-teaching sister Sally as their father, a circuit judge in Nebraska, had sentenced their brother Bud to be hanged. Harmon involves Jimmy, because of his gambling debts, in a robbery of a rancher known to keep large amounts of money at his ranch. The Range Busters break up the robbery, Bart is killed, as is Rancher Fleming, and Jimmy is wounded but escapes. Harmon, setting a trap for Crash, tricks Sally and Jimmy to his hideout, and Crash follows them.
The Hurley's own a lumber mill and want to harvest all the timber in the valley. They kill the Forester and substitute their brother Dusty in his place. Dusty then says all the trees are infected and must be cut down. But Rex Allen is suspicious and writes to the Forestry Department and gets involved with the murders.
Temple Houston (Sam Houston's son) who is the DA with a sense of Justice. He is located in Fort Smith, Ark and works with Judge Parker in 1872. His area includes the Oklahoma Territory which was the Indian territory at that time. Chief Buffalo Horn who is falsely accused of murder.
When his young son is shot, John Wellington kills the culprit and flees. But his son Johnny recovers and is raised by Sir George. Some twenty years later Johnny sets out to find Sir George's missing granddaughter.