When Rocklin arrives in a western town he finds that the rancher who hired him as a foreman has been murdered. He is out to solve the murder and thwart the scheming to take the ranch from its rightful owner.
Marshall Jed Cooper survives a hanging, vowing revenge on the lynch mob that left him dangling. To carry out his oath for vengeance, he returns to his former job as a lawman. Before long, he's caught up with the nine men on his hit list and starts dispensing his own brand of Wild West justice.
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.
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.
A young doctor rejects his older outlaw brother Johnny who put him through medical school by dubious means. The brothers find themselves on opposite sides of a range war between homesteaders and a crooked cattleman.
Outlaw and self-appointed lawmaker Judge Roy Bean rules over an empty stretch of the West that gradually grows, under his iron fist, into a thriving town, while dispensing his his own quirky brand of frontier justice upon strangers passing by.
Three cowboys, mistaken for members of an outlaw gang, are relentlessly pursued by a posse.
Ballard's trail jumpers attack the Wyatt Company wagon train, killing young John's parents and kidnaping his brother, Jim. In post-Civil War California, John Wyatt, now a man, pulls together a vigilante posse, The Singing Riders, who all ride white horses, dress alike, and ride the trails singing and rounding up outlaw gangs. Meanwhile, John is ever on the lookout for the gang that murdered his parents As a youngster John Wyatt saw his parents killed and his brother kidnapped. On a wagon train heading West he meets his brother who is now a spy for the gang which originally did the dirty work. He and his brother both fall for Mary Gordon When Ballard and his men attack the Wyatt wagon train, they kill all except two young brothers. Twelve years later one brother John has organized a vigilante group. The other brother Jim is now part of Ballard's gang and the two are destined to meet again
Learning of Walters' inheritance, Larson kills him and assumes his identity. When Larson's men try to kill Walter's niece Lola, Jack Lane breaks it up. This leads to a showdown with Jack outnumbered by Larson and his gang. Having saved Loma's life earlier, he has Fuzzy ride for him and his men.
When Matt Kilgore and his men frame and then hang an innocent man, Lige Saunders sends for his son Wild Bill Saunders who arrives to find his father shot by Matt's brother. When the brother is killed in his fight with Bill, Matt sends two fake Deputies to arrest Bill whom he then plans to hang. But Matt's sister, attracted to Bill, overhears the plan and rides for help.
Cowboy puts on a black mask and a black outfit to fight a gang of land-grabbing crooks.
In Song of the Wasteland, Jimmy tries to uphold law and order in a tough frontier town.
Kirby and Evans are pulling off an irrigation project swindle and newspaper editor Scott realizes it and sends for Lee. Lee agrees with Scott and forms a vigilante group to fight the Sheriff and his deputies brought in by Kirby. But a dying Uncle Dan sets the Sheriff straight and this brings the two sides together for the big shootout.
A man comes to town to claim the estate of his father, who was shot by a masked killer. He sets out to find who did it.
In this western, brave Red Ryder and his sidekick save a murdered judge's son from going to jail by proving that someone else killed his father.
A gang of horse thieves are able to operate because the crooked local sheriff is in cahoots with them. When Tom Mix's beloved horse Tony Jr. is stolen, he steps in to break up the gang.
The two nieces of the deceased Charley Bronson arrive to learn that an unknown judge will determine which one of them will inherit his ranch. But Bronson is still alive and posing as the cook. Hilda learns of this and sets out to use this information to win the ranch from her cousin Laurie.
Not quite as memorable as his previous Riders in the Sky, Gene Autry's Sons of New Mexico is still well up to the star's standard. This time, Gene tries to reform Randy Pryor, a would-be juvenile delinquent, played by Autry-protégé Dick Jones (who later starred in the Autry-produced TV series Range Rider and Buffalo Bill Jr). To this end, Pryor is enrolled at the New Mexico Military Institute, where much of this film was lensed. The kid chafes at the school's regimen and escapes, heading back to his criminal mentor Pat Feeney (Robert Armstrong).
The Mesquiteers capture a horse thief who escapes justice through a crooked judge. They gather signatures urging the governor to investigate but a friend with the petition is murdered. Stony is accused.
Steve Beaumont, an operative for the Cattleman's Protective Association, is assigned the difficult task of breaking up a murderous gang of rustlers led by Ed Brock and Strang. He takes Sheriff Webb, Judge Baxter, and rancher Ann Houston into his confidence, and works his way into the rustler stronghold and confidence by "turning rustler" himself.