A Rin-Tin-Tin serial presented in 12 episodes. The mysterious Wolf Man is terrorizing settlers in a western town. With the help of Rinty, young Jimmy Carter unmasks the Wolf Man and foils his evil plot.
Gene is hired to be foreman of the Big Sombrero ranch by Jim Garland, who is handling all the business affairs of the owner, Estrellita Estrada, who is more interested in going to America than taking care of her Mexican holdings. Gene, discovering Garland's plan to run all the Mexican rancheros off the ranch, turns against his boss and shortly finds himself in the middle of cattle stampedes and an avalanche started by Garland's men.
When Butch Taggart escapes prison, the Marshal sends Lightning Morgan to find him and his hidden gold. He finds the map to the gold on Taggart's boot. Joe Laikon and his men are also after the gold and they overpower Morgan, get the map, and head for the treasure. But Morgan and Tod Grant are soon on their trail
Doc Saxon and his gang rob the Crown City bank but are double-crossed by Carrasco, a Mexican bandit, who steals the gold and leaves Doc and Donovan with nothing.
Two brothers who continually fight with each other are sent to Stranger City by their mother to work for their brother who owns a saloon where both fall in love with saloon girls.
A bounty hunter named Arizona helps a group of beleaguered farmers in their fight against a large landowner named Austin Styles and his gang of outlaws.
Having been falsely court marshaled for cowardice and sentenced to prison by the Army, Jed Kilton escapes and heads to Nevada Springs to see his kid brother. There he meets his old school friend Sam Ballou. But the two old friends soon find themselves on opposite sides and Sam has Jed arrested. Then when Jed's young brother sees one of Sam's men kill another man, the boy becomes Sam's intended victim.
George Benton returns from school to his brother Jonathan's farm as a doctor and marries his fiancé Lory, but happiness doesn't last long. The Fargas brothers provide a bloodbath at the ranch and are able to divert suspicion from themselves onto a gang of passing outlaws, but one of the family has survived the massacre and knows who the actual killers are.
Hardin is out for revenge after his wife and child are killed and his home burned. He hunts down the gang using his son's toy drummer to signal the shootout while also in search for their leader.
A young European, Diego Medina (Carvell), joins the Mexican revolution and becomes a courier for Pancho Villa. He is captured and tortured by the Federales but escapes to the desert where he meets and joins a bandit named Malpelo (Fajardo) and his gang.
A friend of Dick Bailey is killed by a mysterious assailant, whom Dick suspects to be Stack, who is in league with the crooked sheriff. Out on a spree Dick swears he will marry the first woman he sees, who happens to be Ruth Hammond, sister of his dead friend, arriving to take charge of the Hammond ranch. Revolted by his rough proposal,she fires him as the Hammond foreman and she proceeds to the ranch. Stack informs her he has purchased the ranch for the payment of the back-due taxes, and she relents and rehires Dick and his friends to aid her in her fight against Stack.
Forced to abandon their land that was sold to the United States, a group of Mexicans turns into bandits. Their leader, Rojas, with the help of Trevor organizes a big robbery. But, caught by the sheriff, he is condemned to 20 years of prison. Threatening to torture Rojas' son, Trevor learns where the money is hidden, not realizing that Rojas' revenge would be so ruthless...
In the Wild West at the turn of the century, two young brothers watch as their Grandpa is gunned down in cold blood. The desperados kidnap the older boy while a priest takes in the younger one. Thirteen years later these two brothers will cross paths again as they both seek revenge, each in their own way.
Johnny Texas is asked to inquire about the death of Prescott, a rich landowner accused of having robbed a postal wagon. His investigation upsets Prescott's neighbor, Martin, who will use all possible means to stop him.
Scaife, the sadistic leader of a gang of cattle thieves, terrorizes the people of a Colorado mountain town. Bill Ransom, the retired sheriff, is the only one to stand up against Scaife and his men, among whom is Dan El, a former friend of his. Dan El is also the father of Tony, Bill's adopted son...