The Texan, a Civil War Veteran whose reputation of being the fastest gun in the west precedes him, roams across Texas from town to town, not looking for trouble; trouble finds him.
A former lawman who lost his nerve after a shooting incident is being harassed by brothers of a man he once killed; the ex-lawman's daughter refuses to let him fight back.
Bill travels to Ciudad Juárez to accept a job from a cattleman, only to find out he's actually been hired to become a scapegoat in a counterfeiting scheme.
Bill finds an old prospector almost dead from thirst and brings him to the railroad workers' camp; men from a rival outfit talk the old man into spreading a story about finding gold, hoping to lure workers away from their jobs.
A group of convicts take over the work train and hold the entire construction crew hostage; Bill, who the convicts believe is dead, makes it back to the site and tries to stop them.