Six years have passed since Tetsuo Sakuragi (Yasukaze Motomiya) became the Wakagashira of the Shimazu Clan. One day, Sakuragi becomes the target of an assassination attempt by Mamoru, the son of the disbanded Morita Clan's leader. Though Sakuragi is shot, his injuries are not life-threatening. Understanding Mamoru’s dire circumstances, Sakuragi chooses to let the matter slide. However, the incident throws the Shimazu Clan's headquarters into chaos. Meanwhile, Hidetoshi Kaji (Hitoshi Ozawa), the leader of the Koga Family, interrogates Shimazu Clan member Takuzo Katsuya (Yoshimi Tachi) and learns about Mamoru’s involvement. Determined to settle the score, Kaji storms the Matsuno Association, the group that inherited the Morita Clan’s remnants, but fails to locate Mamoru. Relentless, Kaji has Matsuno’s members monitored, tracks down Mamoru’s whereabouts, and ultimately abducts him....