Tex returns to Santa Fe to find his Mother murdered. Foster runs the town and all crimes committed by his gang are blamed on Rogel and his men. He makes Tex Marshal but this backfires when Tex enlists Rogel and his men and goes after Foster who he now knows is responsible for his Mother's death.
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.
The Texas Rangers send Dave and Chito into the badlands to see if they can locate a counterfeiting operation. They arrive posing as wanted outlaws and this gets them into the gang. But as soon as they uncover the operation and locate the printing press, one of Chito's girl friends arrives to expose their identity and they find themselves trapped by the entire gang.
Billy Carson, looking for rustlers, kills Bradley in a gun fight. Arrested, the judge finds him innocent but jails him anyway. When the rustling resumes he is released and posing as a Mexican cattle buyer he hopes to trap the culprits.
With thousands of cattle being rustled from White Sage ranch the 1930's Texas Rangers are called in. They manage to get one of their agents into the gang by making them think he is the Pecos Kid on the lam.
A young woman is lured to the Yukon by a gambler with promises of marriage and a grubstake for a gold mine. She takes her ailing father with her, only to discover when she gets there that the gambler was lying to her and actually planned to sell her to a dance hall. She gathers her father and an old miner she has met, takes a dogsled and supplies from the gambler and the three of them head for the wilderness to look for a lost gold claim the old miner has been looking for.
Two young brothers are separated when their wagon train is attacked and their parents killed. One brother Cherokee is raised by Indians and the other, the Kansas Kid, by the outlaw gang leader Buff. Twenty years later they unknowingly meet again when the Kid goes after wagons being guided by Cherokee.
A young Texas Man who saw his father get killed by a group of bandits, decides years later to go to work for the Pony Express. But he is not just working around the country to deliver mail, he is actually finding the bandits who murdered his father.