A posse discovers a trio of men they suspect of murder and cow theft and are split between handing them over to the law or lynching them on the spot.
Brown fights a swindler and his pal, Hatton, finds a way to help a robbery victim buy back his property.
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.
While searching for his friend's killer, a former outlaw (Tim McCoy) thwarts a robbery and becomes a lawman.
Stodge City is in the grip of the Rumpo Kid and his gang. Mistaken identity again takes a hand as a 'sanitary engineer' named Marshal P. Knutt is mistaken for a law marshal. Being the conscientious sort, Marshal tries to help the town get rid of Rumpo, and a showdown is inevitable. Marshal has two aids—revenge-seeking Annie Oakley and his sanitary expertise.
Residents of a small frontier town take up arms when vigilantes try to block a railroad right-of-way.
In Arizona in the late 1800s, infamous outlaw Ben Wade and his vicious gang of thieves and murderers have plagued the Southern Railroad. When Wade is captured, Civil War veteran Dan Evans, struggling to survive on his drought-plagued ranch, volunteers to deliver him alive to the "3:10 to Yuma", a train that will take the killer to trial.
Female outlaw helps lawmen trap railroad bandits.
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.
Questions arise when Senator Stoddard attends the funeral of a local man named Tom Doniphon in a small Western town. Flashing back, we learn Doniphon saved Stoddard, then a lawyer, when he was roughed up by a crew of outlaws terrorizing the town, led by Liberty Valance. As the territory's safety hung in the balance, Doniphon and Stoddard, two of the only people standing up to him, proved to be very important, but different, foes to Valance.
In 1870s America, a peaceful American settler kills his family's murderer which unleashes the fury of a notorious gang leader. His cowardly fellow townspeople then betray him, forcing him to hunt down the outlaws alone.
Two championship rodeo partners travel to New York to find their missing friend, Nacho Salazar who went missing there.
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.
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.
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 group of women contracted a strange fever and a former sheriff is responsible for taking them to the hospital in the nearest town, but in their way they will encounter a gang of murderers. His only hope is a woman whose beauty is matched only by his skill with weapons.
An outlaw calling himself Passin' Through halts his "evil" ways long enough to help out some children in difficulty.
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.
Carl Beldon has disappeared and the Trail Blazers have been sent to investigate. Arriving in town, they find that 'Honest John' controls everything. He even prints his own money. He also has a gang and they set out to finish off the heroes.