Unification of Japan 56: One day, a special investigation team suddenly begins a raid on the Kyowakai. Tamura (Yoshiyuki Yamaguchi) concludes that it is Iwao (Daisuke Negishi) of the Sakoda group, but Himuro (Yasufu Motomiya) denies this. According to Kawatani (Hitoshi Ozawa), who was investigating, he was forced to join the Kyowa-kai due to a tip from Inspector Matsumiya (Gen Hongo) of the special investigation team. Himuro and his friends become suspicious and try to find out the source of Matsumiya's information, but...