When Sheriff Will Drummond's brother Clint is tortured and murdered by outlaw Luke Brent, Will quits his job and sets out to find the killer. Learning that Brent's father, Eli, owns a ranch in a valley in Wyoming, he rides there in the hope of finding his quarry. He discovers that Eli Brent is mounting an operation of force all the homesteaders to leave the valley to make room for more of his own cattle. Will decides to take a hand, but can he possibly succeed in his twofold task of lifting the threat to the homesteaders and bringing his brother's killer to justice?