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.

Tex put the Kern gang away once but they have returned with reinforcements and have take over the town of Red Rock capturing the townsmen and forcing them to work for them in the gold mines. Dave and Tex then organize the ranchers into the Territorial Rangers. After blowing up the mines to keep the gang from getting the gold, they are ready for the showdown between the two sides. Written by Maurice VanAuken