The year is 1878, and the young daughter of a U.S. general is kidnapped and taken far into the Apache lands of the Arizona Territory. Prospector Ward Kinsman (Robert Taylor) is enlisted to find the girl because he knows the area well. Though Ward is initially skeptical of the dangerous task, he changes his tune when he finds out that the captive's gorgeous sister, Ann (Arlene Dahl), will be coming along. Unfortunately, their mission and potential romance is soon interrupted by an Apache attack.