Stock-footage from Republic Pictures' earlier Zorro serials was served up once again in this 12 chapter cliffhanger, this time without the financially strapped studio having to credit Zorro creator Johnston McCulley or pay any royalties.
A Playboy inherits a Western ranch on the condition that he shall run it properly for 6 months. A villain makes an attempt to distract him from reaching the goal, but he, no longer the wastrel of yore, persists and becomes full owner of the property.
A team of two-fisted insurance investigators (one of whom disguises himself as The Masked Marvel) endeavor to discover and thwart the loathsome saboteur Sakima.
Famed aviator Bruce Gentry is working with scientist Andrew Benson, setting out to uncover the origin of a deadly secret weapon---an electronically controlled flying disc which can be directed at moving or stationary targets.
A Secret Service agent seeks his missing brother in Africa, and finds his mission complicated by ivory thieves, a girl with a mysterious past, and a troublesome gorilla.
When the unscrupulous Carlos Manning discovers that an old Spanish land grant recently unearthed will leave a huge section of California real estate to the heirs of Don Quantero, he employs Mel Donovan and his killer henchmen to murder them all.
Sylvia Martin is a destitute young woman who is taken home by Louis Gordon. She doesn't realize he's the leader of a gang of crooks until after she marries him.
In the Canadian province of Acadia, young Evangeline is betrothed to Gabriel. But before their wedding can take place, the British imprison the men and send them into exile with their lands forfeit to the Crown Evangeline follows the exiled men in hopes of finding her beloved, but even after he and the other Acadians are released in Louisiana, she cannot find him, always arriving at some locale just after he has departed.
When jockey Jimmie Driscoll, responsible for making Jim Richardson's horses winners, is fired for being too heavy, he goes to the home of the late Judge Bell, the father of local horse racing.
Masked bandit The Lincoln Highwayman terrorizes motorists on California highways. His latest victims are a San Francisco banker and his family on their way to a party.