In a postapocalyptic world, humanity has risen from the ashes of all-out nuclear war to a nightmare of endless suffering. It is a time of chaos. Warlords and gangs of savage marauders rule the broken ruins of civilization, terrorizing and enslaving the survivors. Life has become a brutal struggle for existence and death the only release.

Years after the fall of Raoh, Kenshiro has disappeared and Rin and Bat have grown to young adulthood. Attempting to honor Ken's legacy, they wander the wasteland defending the defenseless. Kenshiro himself now seeks only peace, hiding himself away in an isolated settlement. Tormented by the memories of those he has lost, he tries to give up the way of the fist. But the forces of chaos are always on the horizon, and Kenshiro will have to once again embrace his fate as the successor of Hokuto Shinken...