Old Ma Conway champions statehood for Wyoming, believing the measure would put an end to the territory's lawlessness; but the elderly woman is opposed by cattle buyer and tax assessor Lee Landow and greedy banker Dixon. When Ma offers her opinion in a newspaper article, Landow sends his henchman Ringo to put the fear of God in the woman.
Tom Kenyon and his sidekick Pierre La Farge are hired by rancher Mike O'Day who, with his daughters Toni and Sugar, provides wild horses for the government remount station.
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.
