Cowhand Ken Clark is stranded in Chicago, and temporarily takes a job as a sharp-shooter entertainer in a night club, with the intention of getting enough money together to get back to his beloved Arizona. Frank Gordon, while drunk, is about to be rolled by the club bouncer, but Ken interferes and earns Clark's gratitude. Gordon gets a telegram from Kay Burke, the daughter of his partner in Arizona, notifying him that her father, Jim Burke, has been killed by rustlers.The ranch has a U.S. Army contract to furnish horses, but she sees little hope of being able to make good because the stock is being rustled, and she asks Gordon for his help.

When Butch Taggart escapes prison, the Marshal sends Lightning Morgan to find him and his hidden gold. He finds the map to the gold on Taggart's boot. Joe Laikon and his men are also after the gold and they overpower Morgan, get the map, and head for the treasure. But Morgan and Tod Grant are soon on their trail

Lone wolf, who is stirring up the Indians against the wishes of his elders, gets the job of scout at the fort. When he hears of the approval of the new reservation, he sends his men to trap Scott and his troop before they can deliver the information.

Heading west, Ken and Bouncer end up at the Brooks ranch where Ken is to ride Tarzan in the big race. But both the Sheriff and Edmonds are after him and he must hide both himself and the horse until race time.

Learning that Montana is about to become a state and that property values will rise rapidly, Caldwell is using his outlaw gang to force the ranchers off their land.

Ken Maynard's exceptionally intelligent horse, Tarzan the Wonder Horse, is the star of this western about evil cowboy Steve Frazer (Welch) who gathers horses for slaughter, whose meat is sold to pet food manufacturers. The wild horse Tarzan frees the doomed horses from their corrals, and Frazer convinces the Sheriff that Tarzan is a threat and can be shot on sight. Local cowboy Ken Benson (Maynard) and rancher Pat Riley (Kennedy) work together to clear Tarzan's good name and put Frazier behind bars for his evil deeds.

When a fed-up businessman tires of watching gold shipments disappear without a trace, he calls in the Trail Blazers (Ken Maynard, Hoot Gibson and Bob Steele) -- a legendary trio of law enforcers -- to find the gold and figure out who's behind the thefts.

A ranger joins the outlaw gang whose boss he believes is a murderer.

When a band of American Indians breaks a treaty with the federal government, U.S. Marshals Ken Maynard and Hoot Gibson hit the trail with captured outlaw Duke Dillon (Jack La Rue) to find out what sparked the uprising. They discover clues that point to corrupt Indian agent John Hampton (Kenneth Harlan), but meanwhile, the bandit Dillon pulls a fast one on the marshals, and soon everybody's getting ready for a showdown.

Two cowboys try to protect railroad workers from rampaging Indians.

A cowboy and sidekick infiltrate a rustler gang to avenge the murder of their pal.

Gangster Chandler and his accomplice Tracy arrive at a dude ranch. Cowboy Kentucky arrives at the same time. When Tracy double-crosses his boss and has the stage robbed, Kentucky finds the outlaws and brings them in. Tracy frames him for the murder of the driver but his pal Cactus gets him out of jail. He returns just as Chandler shoots Tracy and Kentucky finds himself arrested for another murder.

Bigfoot kidnaps some women and some bikers decide to go on a rescue mission to save them.

John Mason returns to the Sally Ann mine to claim his half share. Janet Cater also returns although her father lost his half share to Joe Ryan. Ryan and his gang are also there to get the gold. A mysterious Phantom is also present. Mason's plan to expose Ryan as an outlaw and to force him to turn his share to Janet works. But when distracted by the Phantom, John is made a prisoner by the gang.