In the city of Aguaprieta, two horses are part of the largest event in the region. The unbeatable horse Moro from the city of Cumpas faces the imposing Zaino de Aguaprieta. Two in a decided race in just 450 rods.
Railroad foreman Murray Sinclair is dismissed by George McCloud, division superintendent, for ransacking wrecks. Sinclair along with his henchmen, retire to his ranch and forays against the railroad. "Whispering Smith," engaged by the railroad to restore order, is hesitant in dealing with Sinclair when he falls in love with Marion, Sinclair's wife, who is separated from her husband and operates a small shop in Medicine Bend. Dicksie, McCloud's sweetheart, overhears Sinclair threaten McCloud, and she rides through a storm to warn him; Smith, with the aid of Bill Dancing, tracks down Sinclair and his men, and Bill kills the villain. Dicksie and McCloud marry and take Marion under their protection.
A bewitching and beautiful Indian half-caste, Liah, takes her revenge on four ruthless cowboy desperadoes who have gunned down her husband for the sheer joy of killing. Using her enigmatic charm in a way that is fatal to the outlaws, the haunting young woman's vengeance is melted out in a strange, occult manner.
The story of a pair of bumbling detectives Uruguayan undertaking the mission to go to the aid of an orphan and very rich heiress to Argentina. It will be very easy to deal with the thousand and one difficulties awaiting them on the road. Clashes with bandits plaguing the region and that will go back more than once, will not be the only danger.
When Shag Smith kills Jim's brother Bob, Jim and Thunder quit the rangers so they can cross the border and join Smith's gang. Jim's plan is to get the gang to cross back over the border where the rangers will be waiting.
Bob Tyler has rustler trouble while driving a herd of cattle to the new owner, but he refuses to turn the herd over to Frank Kellogg. He has a run-in with Jean Polk, discovers she is the owner of the cattle, and is fired. With his friend, Barney McCool , Bob snoops around and discovers that Kellogg is behind the rustling.
Tex arrives on the Parker ranch on Christman eve and is given the job of being Santa Claus. Also dressed as Santa Claus, Blackie robs Parker and kills a man. When Tex is arrested for the murder, he escapes and joins up with outlaw Becker and his gang. He finds Blackie's Santa Claus suit but is soon made a prisoner.
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.
When Moreland's henchman attack Bob Horner the Range Busters break it up. Horner dies but they get the baby Moreland was after. He must have it to become it's guardian and take control of the Horner ranch. When the henchmen catch up with Alibi, they take the baby cradle not realizing Alibi has substituted his dummy Elmer. Crash having evidence Moreland is the one they want, now has a plan to expose him.
Texas Ranger Sunset Carson is given the mission of tracking down the notorious Marshall gang. Uncovering their hideout, he discovers the gang is led by Ann Marshall and is comprised of three of her ranch-hands, Dakota, PeeWee and Buckskin. He soon learns that they are the innocent victims of a ring of swindlers and cattle rustlers led by the ruthless Matt Conroy.
The McLean and Brennan ranches are both losing cattle to rustlers and each blames the other when cattle buyer Graves is the real culprit. To throw suspicion off himself Graves hires Tim to investigate, not knowing that this will be his downfall.
A band of outlaws has assaulted the car that carries the state tax. Oswald, the most powerful man in Montana, is celebrating the success of the robbery as an accomplice steal to him $ 300,000. The sheriff is determined to get evidence against Oswald and to judge. All suspect that Roger seeks the sheriff protection, promising evidence against Oswald.
