Although ostensibly the grand-son of the legendary hero, Clayton Moore's Ken Mason is little more than a cowboy in a black mask in this 12 chapter Republic serial. Mason, the head of the telegraph line work crew, assumes his ancestor's trade-mark mask (but not whip) in order to prevent a local czar (Roy Barcroft) from sabotaging the burgeoning telegraph line. Pamela Blake, a brunette starlet formerly known as Adele Pearce, played Mason's imperiled girlfriend, and the serial also benefitted from the usual competent work of Republic's great stunt-performers, including Dale van Sickel, Tom Steele, Eddie Parker, and Joe Yrigoyen.

Red Ryder and his comical sidekick take on a new batch of bad-guys in this western, the 16th in the Red Ryder series. This time the heroic duo try to save a female rancher from a greedy financier who wants her land so he can exploit the enormous oil fields lying under it.

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.

Bringing his large cattle herd to Sundown, rancher Tex Jordan must sell his cattle to corrupt baron Jack Hatfield. He does OK but learns Hatfield is cheating the small outfits. When one refuses to sell he is murdered and Tex then decides to stay and take up the fight. He is appointed a special Agent by the Governor but unknonw to him the Governor's Secretary is a spy for Hatfield and reveals his plans.

Criminals aboard a train to the infamous penitentiary plot an escape, and receive outside help in their attempt.

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. That will leave Manning as the sole heir to millions. However, Delores Quantero tumbles to this plot and enlists the aide of two-fisted reporter, Cliff Roberts to save all her relatives

Superhero Captain America battles the evil forces of the archvillain called The Scarab, who poisons his enemies and steals a secret device capable of destroying buildings by sound vibrations.

A singing cowboy proves his father is not a thief.

An aspiring playwright gets a job in a New York City restaurant favored by celebrities in hopes of getting a break. Unfortunately, most of them believe that the waiter lacks the talent to make it big. Only an aspiring songwriter, and a former waitress who has become a famous Hollywood radio star, really believe in him. When the ex-waitress drops by the restaurant to say hello, she and the others decide to play a trick on an arrogant producer by making him believe the waiter has written a sure-fire hit. They succeed and the producer puts on the show. The singer gets to be the star. When the show becomes a smash, everyone is surprised. Songs include: "Hitchhike To Happiness," "For You And Me," "Sentimental," and "My Pushover Heart."

Lawyer Leland is using land rights to kick the ranchers off their land. When Wild Bill and Gabby arrive to help the ranchers, he has actor Percel frame them for murder and then incites the townsmen to lynch them.