US marshal Lawlor (Starrett) takes on a gang of cattle rustlers headed by Taylor (Dick Curtis). His reasons are partly personal: Conway (Edward LeSaint), the cattle-baron father of Lawlor's sweetheart Madge (Meredith), has been murdered by Taylor's minions.
Ben Wade and his partner Frosty return to Bellounds' ranch where twenty years earlier Wade was wanted for murder. Unrecognized, he gets a job on the ranch and soon becomes involved in Folsom's cattle rustling and a chance to settle an old score.
After gold shipments from a mining town have been hijacked, the three Mesquiteers buy a plane to fly the gold out. The owner of the shipping line brings in Eastern gangsters to thwart them.
Twin brothers Bob and Don Ramsay are on opposite sides of the law. Bob is the Sheriff and Don is the famous outlaw the Black Bandit. When the Black Bandit strikes, he is seen and his look-alike brother Bob arrested. Refusing to implicate his brother, Bob escapes and heads after Don.
Looking for the killer of his brother, Jack saves the outlaw known as the Mexicali Kid who had collapsed on the desert. Jack joins up with the Kid who leads him to Gorson. Gorson is after a ranch and gets Jack to pose as the heir to the ranch. After the papers are signed he plans to have jack killed. But the Kid recognizes Gorson's henchmen as the men Jack is after and decides to help him.
In this western a traveling gun ends up in a small town and rescues an important rancher. Out of gratitude the rancher hires him to protect his land and cattle from his violent rival. It is revealed that the gunman is the son of the ruthless rival; he therefore, loses his job and finds himself entangled in the midst of a range war. He must eventually face his father when the bad guy takes over the only trail to the market.
Tex has been sent to investigate the theft of government provisions along the border. Kildare is the leader of the outlaw gang and has his men posing as Indians. He has already killed the incoming Marshal and assumed his identity. When Tex asks too many questons, he plans to get rid of him also.
After Pat Garrett kills Billy the Kid, Billy's look-alike Roy Rogers arrives and is mistaken for him. Although a murderer, Billy was on the side of the homesteaders against the large ranchers. As Billy's death is unknown, Roy gets Garrett to let him pose as Billy to continue the fight, but without the killing.
The Shadow and his outlaw gang have control of Durango Valley. Keene Cordner arrives, and with the help of Tanner becomes a second Shadow in his attempt to round up the gang.
Scanlon is pulling off a land swindle by selling lots in a ghost town claiming the power company is bringing in a line. As a bonus he throws in shares in a worthless gold mine. Gene is on to Scanlon and tries to get him to buy back the deeds by salting the mine with gold. But when a new vein is really discovered Gene has to stop the sales but is trapped in the mine by Scanlon's men.
Tex and his sidekicks arrive to help out his friend Jeffers, a railroad owner, only to find that he has been killed. They quickly run into trouble with an outlaw gang in their attempt to find the mysterious ghost train that supposedly runs on Jeffer's line.
Pete Pepper is a shy, timid circus performer who is scared to death of horses, but rides like a whirlwind when he has been hypnotized by "Ollie" Finch. Pete is entered as a competitor in a wild-west cross-country obstacle race...and has to ride without being hypnotized.