The Masked Rider (1941)

John Bishop discovers a plot to rob a silver mine belonging to his girlfriend Mary's father and, to foil the evildoers, he joins them.

Fidencio Borer, an apothecary in a village on the northern border of Mexico, discovers some old title of a mine in Arizona and decides to claim them. Trying to cross the border is a border guard intercepted by exaggerating in the line of duty. On the way is captured by a tribe of Apaches and is about to be burned alive, but thanks to the Great Head Horse Lying having toothache and learns that the prisoner it can heal, ordered his release on the condition that the cure. Fidencio would take the wheel and gets the eternal friendship of the Chief apache.

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.

Gridley is mining silver from an old Mexican mine and bringing it into the USA thru a passage into his worthless mine. Border guard Rogers suspects Gridley and finally finds the secret entrance to the Mexican mine. He sends Lee Madison for help only to have her captured by Gridley. Trigger brings help that takes care of Gridley's men and now Roy has to rescue Madison.

'The Devil's Miner' tells the story of 14-year-old Basilio who worships the devil for protection while working in a Bolivian silver mine to support his family.

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......

Ken, sent to investigate cattle rustlers, poses as a peddler during the day but the Masked Rider at night.

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.

"Iron Mike" Haines (Tom Chatterton), a crooked sheriff, and "Hands" Weber (Roy Barcroft), the town blacksmith, are in cahoots and have been robbing stages, silver mines, etc., and framing innocent ranchers and cowhands with their deeds. They set out to rob the stage and frame Red Ryder (Bill Elliott as Wild Bill Elliott) for it, but the plan backfires and the sheriff is killed. The sheriff's son, Tommy (Jack McClendon), arrives home from college and is given his dad's job, not knowing he was a crook, and swears to get the man who killed him. Weber tells Tommy that Red killed his dad and Tommy sets out to get Red.

The owner of a silver mine, having repeatedly been the victim of the Silver Bandit, sends his clerk Spade Cooley who can neither ride nor fight west to investigate. The Sheriff has been unable to catch the bandit but when Spade finds him he will have to both ride and fight to bring him in.

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.