A gringo gunman and two Mexican families fight a bandit and his gang.
Lambert, a young man out to make his fortune, is out west trying to sell a gadget that can peel potatoes, open cans, pull out nails and perform other handy tasks. He comes to a cattle ranch and runs into a group of cowboys eating supper. He impresses the cowboys so much that they make him their leader, and it's not long before he's hired by pretty young ranch manager Vesta Philbrook as her aide and bodyguard. "The Duke", as he's now called, falls in love with her and sets out to help her get rid of a gang of vicious cattle rustlers that are constantly raiding her ranch.
Hayden enters the lawless prairie in which criminals have had free reign to manipulate the innocent settlers.
Two deputies go undercover to save a scientist from his evil kidnappers.
When Rangers Lucky and his brother chase outlaws, the brother is killed. To find the killer Lucky quits the Rangers and robs the bank. This gets him into the outlaw gang where he learns of their next raid. Sneaking out at night he tells his girl friend who must now convince the Sheriff that Lucky is not an outlaw and that he must sent his men out to catch the gang.
Judge Jim Scott must contend with the vicious relatives of a murderer he's about to sentence...and his unfaithful fiancee.
Wealthy rancher Bick Benedict and dirt-poor cowboy Jett Rink both woo Leslie Lynnton, a beautiful young woman from Maryland who is new to Texas. She marries Benedict, but she is shocked by the racial bigotry of the White Texans against the local people of Mexican descent. Rink discovers oil on a small plot of land, and while he uses his vast, new wealth to buy all the land surrounding the Benedict ranch, the Benedict's disagreement over prejudice fuels conflict that runs across generations.
Jim Killian arrives in a small Arizona town hoping to establish a peaceful life as the local preacher, but he soon finds himself in the middle of a feud between sheep ranchers and cattlemen. Leloopa, a young Native American woman, pleads for Killian's help after her shepherd father is hung by Coke Beck, the vicious son of the head cattle rancher. Killian must weigh his actions carefully lest he perpetuate the cycle of retribution and revenge.
A young cowboy returns home to help his father fight off a gang trying to take over the family ranch.
A rancher who becomes a pilot staunchly defends the newly formed Civil Air Patrol from the cattle barons who fail to see the value of airplanes on the range.
A protegee of notorious outlaw Montana (Beery), young Tom Benton decides to stay on the good side of the Law upon reaching maturity. Montana, however, has no such inclination to reform, the result being a climactic gun duel between the ageing gunman and his former pupil.
Johnny Mack Brown's Universal western series was drawing to a close when Cheyenne Roundup was released in mid-1943. Brown is herein cast in a dual role, as honest Gils Brandon and his less-than-honest brother Buck. Pursued by lawman Steve Rawlins (Tex Ritter), Buck tries to pass himself off as the upright Gils.
Six wanted outlaws are rounded up and captured by the Cheyenne Kid. Collecting the reward money, Cheyenne instructs his sidekick Fuzzy Q. Jones to give the money to a group of financially strapped ranchers. Alas, Fuzzy falls off his horse, loses his memory, and forgets what became of the money.
A family of homesteaders taken captive by a gang of outlaws. Their survival comes to rest in the hands of Irene: a loud-mouthed 12-year-old girl who's got an uncanny knack for shooting guns.
A Treasury Department engraver is being held captive by a counterfeiting gang that wants him to make counterfeit plates for them. A lawman is sent to rescue him.
A Tornado in the Saddle starred Russell Hayden as the new sheriff of Crestview. Hot on the trail of a gang of claim jumpers led by Dalton and Slim, the novice lawman also has to deal with hotheaded wrangler turned deputy Bob Wilson, whom he is constantly forced to fight, but only after prudently removing his sheriff's star.
Three of the original five "young guns" — Billy the Kid, Jose Chavez y Chavez, and Doc Scurlock — return in Young Guns, Part 2, which is the story of Billy the Kid and his race to safety in Old Mexico while being trailed by a group of government agents led by Pat Garrett.
Ben Wade and his partner Frosty return to Bellounds' ranch where twenty years earlier Wade was wanted for murder. Unrecognized, he gets a job on the ranch and soon becomes involved in Folsom's cattle rustling and a chance to settle an old score.
The simple story has the pair coming to the rescue of peace-loving Mormons when land-hungry Major Harriman sends his bullies to harass them into giving up their fertile valley. Trinity and Bambino manage to save the Mormons and send the bad guys packing with slapstick humor instead of excessive violence, saving the day.
With his sidekick Fuzzy Q. Jones, Rocky Cameron rides into a small town plagued by cattle rustlers. He can expect no help from the sheriff as he is the head of the rustlers.