The coming of the railroad to Cedar City spells the end of the stagecoach as the government gives the mail contract to the fastest means of delivery. McCord loses the stagecoach line gambling with the new buyer, but has enough hidden money to buy a ranch and some cattle. To make more money, he starts a gang to rob the railroad, express offices and steal cattle. But the railroads send out special agent Cameron to end his reign of violence.
A gunfighter, stranded in the desert, comes across the aftermath of a stage robbery, in which all the passengers were killed. He takes one of the horses to ride to town to report the massacre, but finds himself accused of it. He also finds himself accused of the murder of the local banker, and winds up hiding in the basement of a house where the local sheriff, who is very sick, lives with his daughter.
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.
The wicked Alain plots an elaborate revenge against his younger brother Edmund, leading to a deadly confrontation in his dungeon deathtrap.
Man-woman team of investigators uncover a gang whose mad scientist leader has developed an invisibility chemical and plans to build a mercenary army of invisible men.
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.
Just after the Oklahoma Panhandle was annexed into the united states an ex-lawman turned newspaper man arrives to town to civilize it. He brings along Frog, a photographer and Sunset Carson as muscle. The seedy element in the territory doesn't want law and order and they plot against them and try to stop Sunset Carson being sheriff.
Phoebe Titus is a tough, swaggering pioneer woman, but her ways become decidedly more feminine when she falls for California bound Peter Muncie. But Peter won't be distracted from his journey and Phoebe is left alone and plenty busy with villains Jefferson Carteret and Lazarus Ward plotting at every turn to destroy her freighting company. She has not seen the last of Peter, however.
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.