Jimmy Wakely, undercover lawman, has a singing job at Dawson's saloon, jails gunman Becker, after cattleman Curtis, accuses him of killing his friend, rancher Steve Graves. Rancher Reed, head of the Cattleman's Association, plans to move their headquarters after local cattleman are continuously victimized. Dawson, also the head of the Merchant's Association, hires Carol Madison, to defend Becker, but the gunman is freed when witness Curtis is killed. Judge Madison, Carol's father, returns to town after getting the railroad company to extend a spur line to the town. He, too, is killed and Jimmy begins an investigation to find the killers and the motive.