US marshal Sundown Jim Majors main purpose in life is to bring a deadly frontier feud to a peaceful end. This requires him to clean out the local criminal element, which he does with determination.
After the train station clerk is assaulted and left bound and gagged, then the departing train and its passengers robbed, a posse goes in hot pursuit of the fleeing bandits.
Bank robber Graham Dorsey spends a few hours with beautiful widow Amanda Starbuck, in which time his gang takes part in a disastrous holdup. Learning of his comrades' demise, Dorsey goes on the lam. Believing her short-term lover was killed by the law, Amanda decides to make the most of having had a liaison with the supposedly deceased desperado by writing a book about him. Much to his confusion, the still-living Dorsey watches as his name becomes legendary.
Before the U.S. Civil War rebel leader Luke Darcy sees himself as leader of a new independent Republic of Kansas but the military governor sends an ex-raider to capture Darcy.
With the help of an irreverent young sidekick, a bank robber gets his old gang back together to organise a daring new heist.
Trailing outlaws, Lucky runs into a trap and loses his horse. The outlaws then use his horse to frame him for murder. During his fight with the outlaws he recognized one of them and he now has Cannonball get him out of jail. Then he gets Cannonball to lead the outlaw out of town where he hopes to beat a confession out of him. After clearing himself he plans to go after the boss of the gang.
A rancher vows revenge on the five men responsible for his father's death.
A man who's a dead ringer for the leader of an outlaw gang kills the gang leader, then takes his place to try to bring the gang to justice.
An outlaw calling himself Passin' Through halts his "evil" ways long enough to help out some children in difficulty.
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.
Set one hundred years ago, outlaw Johnny Madrid, after narrowly escaping death, goes on the run with the hangman's sensuous daughter Esmeralda by his side.
U.S Marshal Mike Donovan has dark memories of the death of his first love. He keeps peace between the Americans and the natives who had temporarily adopted and taken care of him. The evil actions of a white sorcerer lead him to confront the villain in the Sacred Mountains, and, through shamanic rituals conquer his fears and uncover a suppressed memory he would much rather deny.
While the Civil War rages on between the Union and the Confederacy, three men – a quiet loner, a ruthless hitman, and a Mexican bandit – comb the American Southwest in search of a strongbox containing $200,000 in stolen gold.
As the railroad builders advance unstoppably through the Arizona desert on their way to the sea, Jill arrives in the small town of Flagstone with the intention of starting a new life.
Shiratori Tatsuhiko works as a scout for talent agency Burst in Kabukichō, Shinjuku's red light district, recruiting young girls for the adult entertainment industry. In a business where money means everything, Tatsuhiko finds himself in a constant struggle between rival scouts and the Yakuza.
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.
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.
Dr. Frankenstein's Granddaughter Maria, and her brother assistant Rudolph, moved to the old west because the lightning storms there are more frequent and intense, which allows them to work on the experiments of their grandfather. But the experiments are failing and Rudolph's been secretly killing the corpses afterwards. Meanwhile, the Lopez family leaves the town because of the evil going on there
Tex has been sent to investigate the theft of government provisions along the border. Kildare is the leader of the outlaw gang and has his men posing as Indians. He has already killed the incoming Marshal and assumed his identity. When Tex asks too many questons, he plans to get rid of him also.
Detective Matthias Breecher, hired to track down the worst of the Confederate war criminals, roams the Old West seeking justice. His resolve is tested when he meets a determined pioneer woman who is far more than she seems.