West of Pinto Basin

Someone wants to kill Magpie Harper. Crash and Dusty arrive too late, Magpie Harper is allready dead.

The Range Busters are together again to try and stop a swindle.

Bolton's men blow up the wagon carrying the mine payroll and Marshal Crash Corrigan is supposedly killed in the explosion. A man finds his badge and gives it to Bolton. Thinking Crash dead, Bolton gives the badge away and it ends up with the Sheriff. Crash is OK and the Range Busters know Bolton is the head of the gang but that he gets his orders from someone else and that is the man they want.

In the midst of some friendly horseplay on their "Flying R" ranch, the Range Busters, Crash Corrigan, Dusty King and Alibi Terhune, are sobered by the arrival of a buckboard bearing their old friend Larry Meadows and his niece Dorrie Willard. Meadows seeks their aid against a gang of outlaws terrorizing his town. Ernie Willard, Dorrie's brother, has been taken in by Tex Laughlin who is using the Willard ranch as an undercover for his real occupation as a member of a gang of outlaws led by Tim Douglas, a supposed friend of the Willards.

The Range Busters have a plan to get into the outlaw's hideout in Fugitive Valley.

Gold stages are being held up in the far west at a time when the U.S. government needs bullion, just before the famed "Black Friday" attempt to corner the gold market.

When a gang of outlaws led by Faro Wilson starts swiping payrolls and terrorizing the residents of a small Western town, courageous Range Busters Crash, Denny and Alibi gallop onto the scene to set things straight.

Number 10 in Monogram's series of 24 "Range Busters" westerns, Crash Corrigan, Dusty King and Alibi Terhune, the Range Busters,enlist in Teddy Roosevelt's Rough Riders during the Spanish-American War, but are mustered out and sent to Wyoming to clean up a cattle-rustling situation that is affecting the Army's meat supply. Arriving in North Butte, Crash's home town, they all get separate jobs. Jane Blanchard, a reporter from the Denver Daily, also arrives in town in search of a story, and is posing as a waitress. They learn that Jeff Miller is behind the huge combine of rustlers, but Miller also learns that they are the Range Busters and are on his trail. He and his henchmen engage the out-numbered Crash and Alibi in a fight, but Dusty stampedes a large herd of Miller's stolen cattle into the midst of the fray.

The Range Busters are investigating a gold robbery from the Denver Mint in a supposedly deserted ghost town, but they soon find they're not the only town resident with a nose for gold.

The Range Busters investigate sabotage at a mining community and uncover a gang of Nazi spies.

Rodeo contestants Johnny King and Corrigan meet, their fathers having been members of the Range Busters. When Johnny is knocked unconscious, time reverts to their father's era and the Range Busters are soon involved in the scheme to get Railroad right-of-way across Mother Slocum's ranch. When she is tricked into signing a release, the Range Busters find their job more difficult as the Sheriff is in with the crooks.