John Gregg and his daughter Mary, on their way to Burro Springs, a boom mining town, lose their way and stumble into "Jawbone," a dilapidated town. Here they meet Mike Hernandez, a good-looking bad man. Mary, thinking Mike a gentleman, takes a liking to him. "Cheyenne" Harry, a homely looking good man, comes to Jawbone and Mary believes him to be a weak character. He becomes fascinated with her. Gregg hires Mike Hernandez to guide him to Burro Springs, displaying his small store of gold when paying Hernandez. Later, Gregg and his party become lost in the desert, and run out of water..