A cattle baron takes in an orphaned boy and raises him, causing his own son to resent the boy. As they get older the resentment festers into hatred, and eventually the real son frames his stepbrother for fathering an illegitimate child that is actually his, seeing it as an opportunity to get his half-brother out of the way so he can have his father's empire all to himself.
Gene Autry hunts bank robbers Al Bartlett and Trot Lucas with his old friend Mike. Bartlett, to throw off his pursuers, kills Trot and his own brother. When Kitty Bartlett comes to town claiming to be the slain Bartlett's widow, Gene has to save her from the irate townspeople who are not aware that her name isn't Bartlett but she really is the daughter of a law officer slain by Al Bartlett. Ben Luder, a local hood, tricks Bartlett back into town by saying he has to fixed to have Doc Larry Taylor do plastic surgery on him. En route they meet Doc and his assistant Helen Ellis and Ben's ruse is exposed. Bartlett kills Ben and forces Doc to drive him to the railroad. Gene, in a fight atop a runaway train, captures Bartlett.
Columbia's final release for 1950 was the Gene Autry western Indian Territory. Set during the Reconstruction Era, the story finds Autry working as an undercover agent for the U.S. cavalry. His mission: to neutralize a former Austrian army officer named Curt Raidler (Phil Van Zandt), who is leading a group of renegade Indians on a series of destructive raids.
Indian scout Tom Jeffords is sent out to stem the war between the Whites and Apaches in the late 1870s. He learns that the Indians kill only to protect themselves, or out of retaliation for white atrocities.
Gene Autry becomes the new Sheriff after bank robbers kill the former sheriff. When Judge Beaumont is murdered, evidence points to the judge's wild son. Believing the young man, Gene tries to help.
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.
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).
When asked about the Ghost Riders song he sings, Gene Autry tells this legend: Gene is about to resign as an investigator for the county attorney and go into the cattle business with his pal Chuckawalla Jones but decides instead to help Anne Lawson clear her father, rancher Ralph Lawson, of a false murder charge. He looks for the three witnesses who can testify that Lawson shot only in self defense in killing a gambler, but the witnesses are terrorized by another gambler, town boss Rock McCleary, who shoots witness Pop Roberts Morgan. Fatally wounded, Pop gives Gene the information needed to clear Lawson, then dies crying the "Ghost Riders" are coming for him. Gene then heads for a showdown with McCleary.
A prospector is looking for a lost gold mine and finds aid in his search through the efforts of his friend, Stormcloud, whom he has aided in the past. Stormcloud gives the prospector's son a map leading to the mine in repayment for his past kindness. When a claim jumper learns about the map, he targets the prospector and his son in order to get the treasure.
Finding Indians stealing from his ranch, Gene learns they are suffering from malnutrition. Store owner Martin is cheating them and now he is after the Chief's valuable necklace. When the dying chief is found, having been attacked and robbed, Martin blames Lakhona who would become the new chief. When Gene helps Lakhona they soon find themselves fleeing from the law.
Wyoming Dan (Trevor Bardette) returns home after 20 years evading the law for a crime he didn't commit, only to find his son on his deathbed. Seeking revenge for his son's murder, Dan enlists the help of Rocky Lane (Allan Lane), who poses as an outlaw to try to uncover the truth. When the duo manage to track down the killer, they find him armed to the teeth.
20 years ago, 3 men robbed a stage and hid $30,000. They were caught and sent to prison by Marshal Steve Autry. 20 years later, the men bust out of prison and return to the ghost town where they stashed their treasure searching. Steve's grandson picks up where Steve left off to foil the plans of the outlaws.
When Border Patrol Lieutenant Roberts is killed, it appears that his brother Tim was the killer. To clear the Robert's name for his boss, Lieutenant Rocky Lane heads south of the border posing as an outlaw. He hopes to get in with the gang and find Tim who is using an assumed name. As always, Nugget is there to help.