A cavalry lieutenant on trial for murder recounts his efforts make peace with the Seminole Indian tribe, under an evil major.
Marshal Wyatt Earp kills a couple of men of the Clanton-gang in a fight. In revenge Clanton's thugs kill the marshal's brother. Thus, Wyatt Earp starts to chase the killers together with his friend Doc Holliday.
A Kentucky widower bound for 1820's Texas with his young son is thwarted in his efforts by a corrupt constable, a long-standing family feud, and a beautiful indentured servant.