After Lincoln County Sheriff Pat Garrett kills Billy the Kid, Billy's gang plan to get Garrett to settle the score. After two innocent men are shot down, Garrett resigns and leaves town, believing this act will save lives. He settles down in Tascosa, New Mexico, under an alias, and meets Sarita McGuire who hires him as a bartender in her saloon. She falls in love with Garrett and tells him she was once married to Billy the Kid. Garrett's former deputy, John Poe discovers Garrett working in the saloon, and they decide to go back to Lincoln and face Billy's gang.