Hisataro Hojo

Zatoichi est attaqué sur la route par deux brigands qu'il élimine. Puis il se rend dans un village dont le médecin (joué par Takashi Shimura, le chef des Sept Samouraïs) lui propose de masser ses patients à la clinique. Mais Zatoichi est à plusieurs reprises agressé par le frère de l'une de ses deux victimes. Le "vengeur" fait partie d'une bande de criminels fugitifs qui ont trouvé refuge chez le parrain yakuza Matsugoro. Ce dernier accepte de les protéger à conditions qu'ils l'aident à se débarrasser de concurrents gênants. D'abord simple observateur, Zatoichi va progressivement se mêler des affaires de Matsugoro, d'abord en le forçant à libérer une jeune femme qu'il exploite de force, puis en s'opposant aux fuyards dont le chef, Shizu, n'est autre que le fils du médecin...

Toramatsu is a very enthusiastic policeman. Believing that the police should help others he is dismissed the force when his pistol is stolen while doing one of his good deeds. He saves a child from drowning, restores it to his mother, then finds that someone has run off with his gun and later uses it to kill. Then he breaks up a group of hoodlums attacking a young girl named Mieko, and the police, his former friends, deciding he has gone too far, decide to sue him. On top of this the girl gets hurt and, consequently, a child from the kindergarten where Mieko teaches is kidnapped on his way home. Impersonating a policeman he tracks down the gangsters and rescues the boy. Due to this he also uncovers a scandal which allows the police to make a long due clean up in the political world. As a reward for all of this he wins the regard of the girl but now faces a stiff prison sentence for impersonating the policeman he had been and which, at heart, he truly remains.