The arrival of the telegraph put Pony Express riders like John Blair and his pal Smoky out of work. A race will decide whether they or stageline owner Drake get the government mail contract.

Wishing to dispose of his wife, psychiatrist Dr. Elliott makes his patient Nina think that she suffers from a compulsion to kill. He drugs Nina, murders his wife and leaves evidence that points to Nina. The latter, pre-conditioned by Elliott, also thinks she is guilty.

Bill saves a sheriff, left to die in the blazing sun by desert bandits.

Clay Morgan kills Joel Potter and Marshal Manning has to arrest the brother of the girl he plans to marry.

A petty thief schemes a big score when he plans an armored car robbery.

It's cattlemen versus sheepmen and Trigger Gargan appears to be the leader of the gang causing the trouble. But unknown to Ranger Tex Lawrence, the respected town citizen Barrow is the boss and is tipping off the gang as to the Ranger's activities.

Tex is after the gang that robbed a train of a gold shipment. He suspects Dorman is the culprit and is hiding their gold at his mine. When Stubby sees Dorman's henchman Stark cash in some gold nuggets, Tex tricks Dorman into moving the gold. He hopes to round them up with the help of the posse and the local Boy Scout Troop.

A mad killer is on the loose in a hotel on a dark, gloomy night.

Billy Carson and Fuzzy Jones have just collected a reward and Fuzzy indulges in a dream of getting away from the hectic life he has been leading and wants to settle down. They arrive in Red Rock just as the newspaper is being sold at foreclosure and, despite the attempts by Lafe Barlow to intimidate him from bidding. Fuzzy finds himself the owner of a newspaper. Fuzzy meets Edith Martin, daughter of the former owner, and unthinkingly commits himself to carrying on her father's policy of bringing a telegraph line to Red Rock. For reason of his own, Barlow is against this and has his henchmen wage a campaign of terror against the ranchers and citizens. Before long, Billy who had been lazily indifferent to everything connected to Fuzzy and his newspaper, decides to take a hand on the side of the good guys.

A cowboy goes after a gang of stagecoach robbers who murdered his brother.