When range detective Rance Dehner kills outlaw Tully Brooks, he finds that the case will not be closed so easily. Before dying, Brooks tells Dehner that he was involved in a fake bank robbery, and an innocent man has been arrested for the hold-up; his dying request is that Dehner investigate. The detective's compliance sends him to Hard Stone, Colorado, where he must deal with a high-stakes gambler, a mining engineer who's always quick to draw his gun, and a mysterious assailant who seems determined to ambush and kill him...
