Texas Ranger Ranny Maitland's father is feuding with his neighbor Lockhart. Pretending to be on Lockhart's side in the feud, Ranny goes to investigate. Meanwhile is father is murdered and Lockhart arrested.

Steve Beaumont, an operative for the Cattleman's Protective Association, is assigned the difficult task of breaking up a murderous gang of rustlers led by Ed Brock and Strang. He takes Sheriff Webb, Judge Baxter, and rancher Ann Houston into his confidence, and works his way into the rustler stronghold and confidence by "turning rustler" himself.

A caravan of settlers is arriving and the ranchers intend to keep them out. It looks like a range war but Sheriff Jim gets the ranchers to accept the settlers. Kohler re-ignites the feud by making settler Winters appear to be a rustler and then by killing Winter's son. Once more the two sides appear headed for a war and Jim is caught in the middle.

A woman's believed-dead cowhand beau shows up on her wedding day to cause trouble.

A rustler's son (Roy Rogers) courts a rancher's daughter (Mary Hart) during a range war.

Gene and Frog, out to stop a bunch of cattle rustlers, assume the identities of what they believe to be dead bandits, which soon gets them in big trouble.

The Kid and his pals are horse thieves wanted by the law. As he takes a horse from Jan Walton she makes him promise to bring it back.

When a woman turns outlaw, she is suspected of murder.

Arriving at Medicine Bow, eastern schoolteacher Molly Woods meets two cowboys, irresponsible Steve and the "Virginian," who gets off on the wrong foot with her. To add to his troubles, the Virginian finds that his old pal Steve is mixed up with black-hatted Trampas and his rustlers...then finds himself at the head of a posse after said rustlers; and Molly hates the violent side of frontier life.

Reb Russell (Reb Russell), undercover agent for the Cattleman's Protective Association, goes into the stronghold hideout of rustler chief Bull Thompson (Fred Kohler) posing as an outlaw. He falls in love with Marion, Bull's step-daughter. Juan (Dick Botiller), a gang member once jailed by Reb, reveals Reb's true identity, but he will be given his and Marion's freedom to leavy the valley if he can beat Thompson in a fight. He does, but Butch Greer (Jack Rockwell), a gang member trying to take over from Thompson leads the gang after the pair, after first revealing to Thompson that Reb is Thompson's own son, whom he last saw as a baby when Thompson, then known as Big Bill Russell,was forced to flee the law. Thompson and loyal gang member Blackie (Edmund Cobb), who was once helped by Reb, go after the gang in an effort to help Reb and Marion escape.

Protecting himself in an attack by rustlers, Rancher Steve Holden believes he has killed one of the attackers, young Bud Mathews, who in reality has warned Holden of the rustlers' approach. Unaware that Mathews was actually killed by rustler boss Cass Barton, Holden heads out to Mathews' home town where he plans to tell the boy's family of his death but instead uncovers a plan by a local businessman to force Mathews' father out of his ranch.

A saddle-weary Steve Larkin, also the Duranko Kid, rides into Red Mound, a town filled with cattle rustlers. Cafe owner Smiley, befriends Steve and fills him in on the activities. Steve angers the rustler's leader, Flip Dugan when he purchases the old Atkins ranch which is supposedly haunted. Flip and his henchmen try to prevent the recording of the deed, but the Durango Kid and Deputy Marshal Tug Carter win the gun battle.