In 1883, on the blood-and-fire western frontier, the Dutton family embarked on a westward journey: veteran James protected his family, rebellious daughter Elsa sought freedom, and precocious teenager Tom tamed the fierce green mule "Loach," struggling to survive amidst bandit raids and the desolate wilderness. Armed with covered wagons and lever-action rifles, they enforced an ironclad law between gallows-lined towns and vast grasslands: tame the wilderness or be devoured by it.