Traveling with Doc Parker's medicine show, Gene finds his old friend Harry Brooks wounded and the Sheriff after him for murdering his father. Gene also sees that Craven and his gang are looking for Brooks. Finding clues that Craven was behind the murder, Gene has a plan utilizing the medicine show wagon that will trap the gang.
An evil ranch foreman tries to provoke a range war by playing two cattlemen against each other while helping a gang to rustle the cattle. Each cattleman blames the other for missing cattle. With the help of Bill Cassidy (Hop-along, because of an earlier bullet wound) and Johnny Nelson, the warring cattlemen join forces to do in the outlaws.
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
Jack Thornton has trouble winning enough at cards for the stake he needs to get to the Alaska gold fields. His luck changes when he pays $250 for Buck, a sled dog that is part wolf to keep him from being shot by an arrogant Englishman also headed for the Yukon. En route to the Yukon with Shorty Houlihan -- who spent time in jail for opening someone else's letter with a map of where gold is to be found -- Jack rescues a woman whose husband was the addressee of that letter. Buck helps Jack win a $1,000 bet to get the supplies he needs. And when Jack and Claire Blake pet Buck one night, fingers touch.
A football star grown up in the East goes West in order to meet his father. He discovers that his parent and his three half-brothers are now notorious outlaws .
When Sundown wins a horse race he is paid with a deed to a ranch. Arriving at the ranch he finds the Prestons already living there. They bought it from the fake land agent Taggart who then frames Sundown for murder.
A dying Marshal gives his identification papers to Tom. After Tom arrives in town, the papers drop and are found during a fight so Tom decides to assume the Marshal's identity. Mason, the chief, now sends Rattler, the killer of the Marshal, to also kill Tom. But when he overhears Tom is a fake, they change their plans and now go to arrest Tom for the murder of the Marshal.
John Wyatt is a government agent sent to smash a counterfeiting operation near the Mexican border. Joining Doc Carter's medicine show they arrive in the town where Curly Joe, who once framed Carter, resides.
Safely from behind some shrubbery, Johnny Hume, a boy of 6 or 7, witnesses the slaughter of his mother, father and brother by the guns of a gang led by "the Cat". Twenty years later finds Johnny grown to manhood, an expert bronc rider and target shooter - but paralyzed with fearful memories in an actual gunfight. This is brought home to him when some outlaws stick up the local saloon and Johnny ends up cowering behind the bar.
When John Mason's father is killed, John is wounded. Attracted to his nurse Alice, a conflict arises between him and his friend Ben who plans to marry Alice. John later finds the killer of his father but goes to face him not knowing Ben has removed the bullets from his gun.
A thug robs and kills a fur trapper. He is caught and locked up by the Mounties, but is soon broken out by his partner. As the Mounties investigate, they discover that the two are part of a ruthless crime ring run by a female gangster.
Two prisoners, Steve Brandt and Nick Montana, chained to each other, escape by jumping from the train that brought them to the penitentiary. Persued, they hide in the carriage with Jane Langton. Arriving at her ranch, they discover that she is fighting against a Pete Sutton, who wants to take her pasture. Not wanting to confront, Sutton offers the two escapees help by assisting them move to Mexico.
When Morley has his own bank robbed, Tom tries to break it up. Mistaken for one of the gang, he is caught and sentenced to a chain gang. His girlfriend Peggy then sets out to prove his innocence.
Driving off an Indian attack, the soldiers capture one of the Indian rifles only to learn that it came from their own warehouse. With Lieutenant Bentley and Sergeant Luke having the only keys to the guns, Bentley finds himself under suspicion and starts to investigate.
Jimmy Dixon, pursued by a band of Mexicans, changes clothes with a tramp, who takes off on his horse. Four miles later, Jimmy walks onto the Double-O Ranch, from which he had been thrown off four years before by his dad, who had blamed Jimmy for something that his twin brother Duke had done. Duke, home from college, took over the ranch when Mr. Dixon became ill, and has run it into the ground. When Duke goes to the bank to repay a debt to Jimmy, he rides onto Phoenix with all of the ranch money.
Rodeo star John Scott and his gambler friend Kansas Charlie are wrongly accused of armed robbery. They leave town as fast as they can to go looking for their own suspects in Poker City.