After Wyatt Earp's brother James is murdered by cattle rustlers, the frontier legend becomes Tombstone's marshal and sets out to avenge the younger man's death. Torn between his badge and his fury, Earp confronts the likely killers, the notoriously lawless family of Old Man Clanton, setting the stage for the famed shootout at the O.K. Corral. Along the way, Earp falls in love with a schoolteacher named Clementine, which pits him against the cantankerous Doc Holliday. DVD.