A former gunslinger is forced to take up arms again when he and his cattle crew are threatened by a corrupt lawman.
Lt. John Dunbar, exiled to a remote western Civil War outpost, befriends wolves and Indians, making him an intolerable aberration in the military.
A nameless drifter dons a postman's uniform and bag of mail as he begins a quest to inspire hope to the survivors living in post-apocalyptic America.