The story concerns a fierce struggle over water rights. Complicating the plot is the presence of a masked desperado who is systematically killing off local ranchers.

California, 1848. An invading army has defeated the few opposing forces and the territory has become part of the United States. Don César de Echagüe, an old gentleman, begs his son César to return from Europe, confident that he will know how to confront the oppressor.

Brand controls the only road to the cattle market and is charging exorbitant rates. Tim and Chito rob Brand to recover only their overcharge, but accidentally end up with all of Brand's money......

Rangers Tex Haines and Dave Wyatt track a killer known as the Whispering Skull. In the wake of the Skull's slaughter, a band of thieves takes advantage of the fear he's brought to town.

The beautiful owner of a silver mine in Mexico asks an employee for help when bandits keep robbing her shipments.

California, 1847. The territory is about to be incorporated into the United States. Parker, the new governor, is a cruel man who believes that the time has come to get rich regardless of the means, but he will soon find a mysterious opponent driven to end his tyranny.

Alberto and Leonor have a son, they find out that one of the masked men who attacked them was her nephew, things get difficult for them when they find out about a testament left by her grandmother.

California, 1840s. Wealthy landowner César de Echagüe, secretly acting as El Coyote, the legendary masked hero, continues his fight against the injustices and abuses suffered by the Hispanic population at the hands of the US Army.

A young man has been mutilated into a cyborg warrior, known as Bovine Rider, by the intergalactic alien council called FORESIGHT. FORESIGHT instruct him to battle another rider to complete his training so that they can have a warrior to control and lead Earth into their schemes. Chaos ensues as Bovine is challenged over who he is, and what he is supposed to be.

In 1840, Sam Lash heads west for adventure. He meets up with some Mountain Men, and they head for the Rockies to trap beavers and cats. In Taos he meets Lola, a beautiful Mexican girl from a proud and rich family. They fall in love and he persuades her to elope with him. After they get married, Sam is torn between his love for Lola and his yearn for traveling.

This film and the 1950 short "The Fargo Phantom" were edited together and released as a feature called "Tales of the West #2" in 1950.

Whip Wilson and Andy Clyde are back and Monogram's got 'em in Fence Riders. The Whipster comes to the aid of beautiful ranch owner Reno Browne, who is being victimized by rustlers Myron Healey and Riley Hill. To get Wilson out of the way, the villains frame him on a murder rap.