The spoilt young son of a wealthy railroad owner manages to get himself lost in the middle of nowhere. He is found by a cowboy on a cattle drive and the lad must start learning the hard lessons of working in a team if he wants to make it to San Diego.
After a group of convicts escapes from prison, they take refuge in the wilderness. While most of the crew are ruthless sociopaths, Jim Canfield is an innocent man who was jailed under false pretenses. When Canfield and his fellow fugitives reach an isolated farming settlement where the men are all away, it creates tension with the local women. Things get direr when rumors of hidden money arise, and Canfield discovers that the man who framed him is part of the community.
Using marked bills, Steve is looking for the supposedly dead Henry Hardison. Coming to Bonanza Town he gets a job with the town boss Crag Bozeman and gets paid with marked bills. He suspects Hardison is Boseman's boss and he is right as Hardison and his men are now planning to get rid of both him and the Durango kid.
Landry has Sam Martin killed. When Tim and Chito find Martin and his son, Chip says Matt Potter was responsible. But when Tim and Chito start their search, no ones knows a Matt Potter.
Jim Bannon and his partner own a stagecoach line. With the coming of the telegraph and the end of the Pony Express, two men plot to take over and get the new mail contract. When Jim's partner is murdered and Jim's name is written in the sand beside the body, Jim is arrested. At his trial Whip brings surprising evidence that clears Jim and the two plotters are soon arrested.
Lacey is after the profits of the Foster and Morales rodeo show. He has Morales killed during a stunt and then forces Foster to take him on as a silent partner. When Rex Allen joins the show, Lacey tries to get rid of him also. But Rex survives and now believes Morales' accident may have been murder.
Ex-gunfighter Ned Britt returns to Fort Worth after the civil war to help run a newspaper which is against ambitious men and their schemes for control.
Lash and Fuzzy have been sent to escort the new Governor to the Capitol City. West and his outlaw gang are out to stop them. When Lash's first attempt is foiled, he realizes the Governor's supposedly deaf and dumb servant is the informant and sets a trap for the gang.
Dakota Kid is a young outlaw who joins a gang headed by Ace Crandall. Crandall's aim is to unseat Sheriff Tom White and then use his power to enrich himself at the community's expense. Dakota impersonates a long-lost nephew of the sheriff, and is made a marshal. Through his association with the sheriff's grandson, Red White and his friend Judy, plus falling in love with Mary Lewis, the Kid gradually reforms.
At the close of the Civil War, a band of Southern guerillas disguised themselves as Union soldiers, the better to perform acts of sabotage in Utah. Autry plays a cavalry scout who goes after guerilla leader McQuarrie.
The story concerns a fierce struggle over water rights. Complicating the plot is the presence of a masked desperado who is systematically killing off local ranchers.
It's 1874 and the Texas Rangers have been reorganized. But Sam Bass has assembled a group of notorious outlaws into a gang the Rangers are unable to cope with. So the Ranger Major releases two men from prison who are familiar with the movements and locations used by Bass and his men and sends them out to find him.
US marshal Len Merrick saves Tim Keith from lynching at the hands of the Roden clan, and hopes to get him to Santa Loma for trial. Vindictive Ned Roden, whose son Ed was killed, still wants personal revenge, and Tim would like to escape before Ned catches up with him again. Can the marshal make it across the desert with Tim and his daughter? Even if he makes it, will justice be served?
Columbia Pictures elevated stunt man Jock O'Mahoney to stardom in this 15 chapter western serial about the building of the transcontinental railroad. O'Mahoney played a railroad agent who uncovers the master criminal behind a series of sabotage attempts on the construction site.