Will Kane, the sheriff of a small town in New Mexico, learns a notorious outlaw he put in jail has been freed, and will be arriving on the noon train. Knowing the outlaw and his gang are coming to kill him, Kane is determined to stand his ground, so he attempts to gather a posse from among the local townspeople.
Cheyenne Jones comes to the Blue River Ranch and asks for a job as a cowpuncher. Actually, Jones's real name is Buck McCloud and he's the new owner of the spread, having inherited it when his uncle died a year earlier. He's roaming the range incognito while trying to identify who's behind the cattle rustling that is afflicting his new business.
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.
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.
After a band of drunken thugs overruns a small Indian Nation town, killing Reverend Goodnight and raping the women folk, Eula Goodnight enlists the aid of US Marshal Cogburn to hunt them down and bring her father's killers to justice.
Lawman Wyatt Earp and outlaw Doc Holliday form an unlikely alliance which culminates in their participation in the legendary Gunfight at the O.K. Corral.
Notorious shootist and womanizer Quirt Evans' horse collapses as he passes a Quaker family's home. Quirt has been wounded, and the kindly family takes him in to nurse him back to health against the advice of others. The handsome Evans quickly attracts the affections of their beautiful daughter, Penelope. He develops an affection for the family and their faith, but his troubled past follows him.
Dan Stanton and Condon are foreclosing on a group of ranchers in order to gain a land-monopoly. They have one of the ranchers, whose property supplies the others with water, killed. Ann Jennings, niece of the rancher, sends for U. S. Marshals Nevada Jack McKenzie and Sandy Hopkins, who organize the ranchers who take over the dead man's property and blast the dam releasing needed water to all the ranchers. Nevada and Sandy, aided by the sheriff, round up Stanton, Condon and their gang members.
Range Law stars Johnny Mack Brown as "Nevada" and Raymond Hatton as "Sandy", the same characters they played in most of their mid-1940s Monogram westerns. This time, Nevada and Sandy, US marshals both, set out to collar some renegades who've been driving out the local ranchers. It's just possible that one of said ranchers is behind this land-grabbing scheme.
John Clark (Bob Steele) and his deaf pal, Bootch Collum (Buck Connors), are trailed by U. S. Marshal Lamar Bly (Jack Rockwell)...
After escaping from jail, outlaw Wes McQueen is convinced by his old partner in crime to do one last heist.
Taylor's men are robbing incoming supply wagons to enable Taylor to sell goods at inflated prices. The Vigilantes led by Frank Jackson are doing the same so the ranchers won't starve. Marshals Lash and Fuzzy arrive to try and find the real culprits.
Dan Ballard, a respected citizen in the western town of Silver Lode, has his wedding interrupted by four men led by Ned McCarty, an old acquaintance who, as a US Marshal, arrests Ballard for the murder of his brother and the theft of $20,000. Ballard seeks to stall McCarty while tracking down evidence that will prove his innocence.
A US marshal goes undercover to bust up a bunch of rustlers.
At the height of the frontier era, a train races through the Rocky Mountains on a classified mission to a remote army post. But one by one the passengers are being murdered, and their only hope is the mysterious John Deakin, who's being transported to face trial for murder.
When his cattlemen abandon him for the gold fields, rancher Wil Andersen is forced to take on a collection of young boys as his cowboys in order to get his herd to market in time to avoid financial disaster. The boys learn to do a man's job under Andersen's tutelage, however, neither he nor the boys know that a gang of cattle thieves is stalking them.
In 1890s Seattle, a deputy marshal and his female partner set out to bust up a ring that kidnaps teenage girls and sells them into prostitution.
A ranch owner turns his place into a home for boys who have lost their fathers in World War II. His evil female lawyer covets the ranch and uses a gang of local toughs, a pack of killer dogs, and a phoney rancher's beneficiary to get it. U.S. Marshal Rogers opens an investigation when the rancher is killed.
A prospector discovers natural cement and suggests it should be used for a new dam. But this is the last thing the badmen of Trail End want, as they have a monopoly of the wagons needed to haul rocks to the site. A pretty sheriff notwithstanding, it's a job for a singing marshal.
Set on the Mexican border in 1850, Bad Men of the Border was the first of seven Universal Westerns starring handsome Kirby Grant, a former singer from Montana who had earlier acted under the name Robert Stanton. The series, Universal's last attempt at competing with Republic Pictures' many streamlined B-Westerns, also featured the bucolic Fuzzy Knight as Grant's sidekick. Grant and Knight are undercover U.S. marshals tracking down a gang of counterfeiters. To their surprise, they are soon assisted by a beautiful Mexican dancehall performer, Dolores Mendoza (Armida), who proves to be an undercover agent as well, in her case for the Mexican rurales headed by Captain Garcia (Francis McDonald).