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.
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.
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.
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.
Cattlemen Protective Agent Reb Russell arrives to try and stop the cattle rustling. He gains a friend when he saves Jack Thorn from Lenahan and his men. They hire on at the Lund ranch and when her cattle are rustled and she is kidnaped they follow the trail, It's Lenahan and his gang and Reb soon finds himself a prisoner.
A rancher, frustrated with constant cattle rustling and the inability of the local sheriff to stop it, is accused of murder when the sheriff is found dead.
Gold has been found and Sharp is out to get the land. He has the land owners killed and then has Watson forge new deeds. Cheyenne and Fuzzy arrive in time to save Trent. Then they go after the gang and its leader.
A notorious outlaw is recruited by a cattle buyer, secret boss of a gang of cattle rustlers, to impersonate the town sheriff, who is the outlaw's twin brother; and complications ensue, as the sheriff, now a hostage, is on the eve of his marriage while the outlaw's cantina-dancer girlfriend has followed him to town and is at risk of exposing him.
Having sent Deuce Rago to prison in Frontier Revenge (1948), Lash finds he's out and his outlaw gang are at it again. This time he has the Lawyer Leonard and Joan to help him out and Lash and Fuzzy must bring him in once more.
The first of a long-running series of Monogram-produced westerns starring Johnny Mack Brown and Raymond Hatton that replaced the Rough Riders series following the death of Buck Jones in the Boston night club fire. Though the next three years featured Brown (as Nevada Jack McKenzie) and Hatton (in his Sandy Hopkins role from the Rough Riders series) as undercover marshals in some form or another, this initial entry had Brown as a lone rider seeking vengeance and he and Hatton's characters were unknown to each other through most of the film. Hopkins offer McKenzie a marshal's job at the end of the film, which the Brown character declined and rode off alone on his quest. This quest didn't take long as by the next film in the series Nevada Jack McKenzie was a full-fledged U. S. Marshal.
Tom Evans (Jon Dawson), nephew of U.S. Marshal Sandy Hopkins (Raymond Hatton), has just trailed his cattle to Yucca City, where he intends to sell to Ben Crowley (Harry Woods), owner of practically everything in town.Tom loses his money in a crooked game ran by Crowley. "Nevada Jack" McKenzie (Johnny Mack Brown), a U.S. Marshal working undercover, watches the game and secures one of the "fixed" decks of cards. Later, Tom discovers Crowley's men rustling his cattle and is shot. Nevada finds him severely wounded and hides him with Jeff Lewis (Sam Flint) and his daughter Mary (Ellen Hall). Sandy, posing as a dentist, arrives in town after a wire from Nevada. The latter confronts Crowley with the crooked deck and also with the fact that Tom is still alive, and demands a partnership from Crowley. When Crowley learns that Lewis is hiding Tom, he decides to have both Tom and Nevada killed.
A cattle inspector runs a rustling ring on the side.
J.D. Cahill is the toughest U.S. Marshal they've got, just the sound of his name makes bad guys stop in their tracks, so when his two young boy's want to get his attention they decide to rob a bank. They end up getting more than they bargained for.
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.
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.
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.
In Colorado territory, outlaw Wes McQueen escapes jail to pull a railroad robbery but, upon meeting pretty settler Julie Ann, he wonders about going straight. Western remake of High Sierra with Joel McCrea taking over the Humphrey Bogart role.
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.
Lash and Fuzzy come to town to unmask the mysterious outlaw kingpin, El Sombre.