Kogarashi Monjirō falls from a cliff during a fight, he is picked up and cared for by Denkichi, a lumberjack. For a while, Monjirō lost his memory and worked as a lumberjack. While he eventually regains his memory, Denkichi, is seriously injured and asks him to bring back his son, who has become a member of a yakuza clan. Monjirō decides to go to Jōshu to accomplish the mission.[13][14][15]