The story is about a catastrophic future in which most of the World, resources of Earth are destroyed after a nuclear war. Kenshiro, the next successor of the fierce fighting style Hokuto Shinken, is heavily wounded and his fiance is taken away by his friend Shin. The plot of the movie is the afterwards of this event. Kenshiro struggles to survive and help the village against their evil chief Siska. The story of this movie is about the unmentioned details in the originating story (Hokutou no Ken); which occurs between the first fight with Shin and the beginning of the series.