Acting
Working undercover, Allen and sidekick Mendoza are out to stop the mail train robberies. Rivers and his gang are the culprits and by joining up with them, they hope to get the evidence they need.
Tom Kenyon and his sidekick Pierre La Farge are hired by rancher Mike O'Day who, with his daughters Toni and Sugar, provides wild horses for the government remount station.
Two ex-cons plan to kill the range rider marshal who sent them to prison and, when their plan fails, join forces with their former boss, a crooked saloon owner who has the same idea.
Cartwright's racket is to sell a ranch and then have Mason and his men drive the ranchers away so he can resell it. If they want their money back he gives it to them and then has them killed. Jack arrives and learns that Mason and his men are the culprits but that they have a boss. He suspects Cartwright and sets trap to expose him.
Wagon trains bringing supplies are being robbed and Marshal Pat Barrett has been sent to investigate. Posing as an outlaw he gets into Buck's gang. When the Ranger Captain sends for more troops, Buck's inside man brings the message to him. Buck then plans to substitute his men for the Rangers but he tells Pat and Pat rides off to try and warn the Ranger Captain.
A reformed gunfighter battles a crooked sheriff who used to be a member of his gang.
Ted Hayden impersonates a wanted man and joins Gentry's gang only to learn later that Gentry was the one who killed his father.
Two investigators for a stagecoach company are assigned to find out why the company's stages keep being ambushed. They discover that the culprits are white men disguised as Indians, and they set out to discover who is behind the plot.
Trouble in Colorado is tying up Union troops needed back east during the Civil War and Lieut. Burke is sent to investigate. Macklin and his gang are causing the problems and Capt. Mason joins them. When Burke catches up with them he also finds Mason, his brother.
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
Two peanut vendors at a rodeo show get in trouble with their boss and hide out on a railroad train heading west. They get jobs as cowboys on a dude ranch, despite the fact that neither of them knows anything about cowboys, horses, or anything else.
John Travers and Yak, his faithful Indian sidekick, pick up where a murdered sheriff leaves off, and try to nab the mysterious Shadow.
Homesteaders are moving into the valley settled many years ago by rancher Craig Dolan. He wants to keep them out by legal means but his nephew Bart brings in outlaws to drive them out. The Lone Ranger is on hand to help the homesteaders battle Bart's men as he overcomes traps, ambushes, burning buildings and other obstacles in his attempt to bring peace to the valley.
Peterson has a plan to obtain all the ranches in the valley. He gives Carson a phony Spanish land grant and has him pose as the Mexican owner. When Fred and Fuzzy have their cattle stolen by Peterson's men, they quickly become involved in the scheme.
John Middleton is investigating cattle rustling when he is captured and tossed into a cave with Emmett, a rancher who disappeared earlier. They help each other escape and learn that a local banker is trying to scare everyone away to grab up some secret gold mines.
Bandits lead by Matt the Mute enter a bar and kill multiple people. Randy Bowers comes to town and is framed by Matt the Mute, who is working with the sheriff (who doesn't know Matt is really a criminal). Randy escapes with the help of the niece of the dead owner of the bar. Bowers ends up running from the sheriff, and ends up in the cave in which the bandits have their hide-out…
El Puma, a Mexican desert guide, escorts an archaeological expedition headed by Professor Lucius Lloyd through the Indian badlands of Mexico. Marian, the professor's niece accompanies the party as only she can translate the Aztec writings in the diary of her father, murdered on a similar expedition six years previous. The professor is murdered by a knife, and the weapon is recognized as the property of El Puma. Magpie, a Federal Investigator, knows that El Puma is really "Lightnin' Bill' Carson, a former federal agent who has been missing since Marian's father was slain. The reluctant Magpie believes that his old pal is guilty. Carson sets out to prove otherwise.
The parents (Horace B. Carpenter)(Vane Calvert) of Smokey Smith (Bob Steele) are murdered while traveling with a wagon train that is attacked by outlaws. Smokey swears revenge but his only possible chance lies in finding the member of the border-gang who took a ring from his father's finger. The sheriff (Earl Dwire) of a nearby border town makes Smokey a deputy after the latter saves his life when outlaws attack a stagecoach the sheriff is escorting. This enables Smokey to find the hideout of the gang that killed his parents, and he, posing as a wanted man, is able to join the gang. He soon incurs the wrath of gang-member Kent(Warner Richmond), who is jealous over the attention that Bess Bart (Mary Kornman, step-daughter of the gang-leader, "Blaze" Bart (George 'Gabby' Hayes), is showing Smokey.
Jack has been called in to investigate stage robberies where the stolen gold bullion mysteriously disappears, He finds the Professor, an elderly ex-con, and convincing him they used to work together, gets the Professor to get him in to the gang. Now posing as an outlaw, he learns what the Professor does with the bullion, but he is in trouble when his true identity is revealed.
The Marshal sends John Weston to a rodeo to see if he can find out who is killing the rodeo riders who are about to win the prize money. Barton has organized the rodeo and plans to leave with all the prize money put up by the townspeople. When it appears that Weston will beat Barton's rider, he has his men prepare the same fate for him that befell the other riders.
