Himuro (Yasukaze Motomiya) and Tamura (Yoshiyuki Yamaguchi), local delinquents from Yokohama, used their fists to dismantle a local yakuza gang. This drew deadly attention, forcing them to flee to Osaka with the help of Akimoto (Sho Aikawa), the Wakagashira of the Anzai-gumi. Despite escaping, Himuro and Tamura continue to make enemies. One day, they gain recognition from Kawatani (Hitoshi Ozawa) of the powerful Kyowakai, but simultaneously clash with the Kyowakai-affiliated Mikami-gumi, sparking a violent conflict. With Kawatani’s backing, Himuro and Tamura joining the Mikami-gumi seems to settle the dispute. Yet, meanwhile, Kyowakai chairman Gonda (Shinichi Chiba), Wakagashira Kudo (Hakuryu), and Shiseikai chairman Kawabata (Tatsuo Umemiya) begin moves to unify Japan’s entire yakuza world…

日本最先西端の島々からなる五島。四つの組織の縄張りに分かれていたが、遠山憲一(永澤俊也)率いる山北会と鷹丘正信(小沢仁志)率いる山南会によって統一されるが、やがて分裂。そんな中、本土の有力任侠団体九州斎藤組系佐山組が侵攻しはじめる。五島を守るために再び遠山と鷹丘が手を組むことになる。