The book takes place in Texas, the Lone Star State, and several main characters are Texas Rangers, a famous band of highly capable law enforcement officers. It follows the life of Buck Duane, a man who becomes an outlaw and then redeems himself in the eyes of the law.
The story follows an ancient feud between two frontier families that is inflamed when one of the families takes up cattle rustling. The ranchers are led by Jean Isbel and, on the other side, Lee Jorth and his band of cattle rustlers. The story is based on a factual event involving the notorious Hashknife gang of Northern Arizona.