Texas Ranger Cordell Walker, one of the last old-fashioned heroes of the West, is a protective friend but a relentless foe who will stop at nothing to bring a criminal to justice. Walker works on instinct, often drawing on the traditions of his Native American ancestors. His partner, James Trivette, has a more modern approach to crime-solving. C.D. Parker, a retired Ranger, and Alex Cahill, the county assistant district attorney who shares a mutual attraction with Walker, support the Rangers in their battle to serve justice.