Tod Jackson (Randolph Scott) is a lawyer passing through the frontier. In Kansas, he decides to pay a visit to the Daltons, a family he knew during his youth. He arrives to discover that the family is in crisis. A ruthless development company wants to use their land for railroad expansion. Bob Dalton (Broderick Crawford), accused on false murder charges, asks Tod to defend him in court. A violent courtroom confrontation turns the Daltons into outlaws, and they are forced to go on the run.