War is exploding all along the Powder River in Wyoming. It's a bitter, bloody war between the big cattlemen and the "little" cowboys. The cowboys' strike for better conditions has failed and now the cattlemen are taking their brutal revenge.

Into the crossfire rides Clint Adams. The Gunsmith despises the things that are being done in the name of the law—especially when the beautiful young daughter of a strike leader is hurt by them. Clint joins forces with legendary range detective Heck Thomas—and the odds start looking better for the cowboys...