The Kanto Ichienkai sways under the administration of Chairman Sakai. The fire of internal conflict did not know that Dane would die. Hitoshi and Yoshiro are taken out of the trivial mess that happened between the long-established Tatsuno group and the emerging Ginseikai. The battle between the two groups of Shima suddenly develops when Tatsuno is shot by someone. In order to suppress the runaway of Wakasugi, a member of Tatsuno who has risen in blood, Jin, who is also a former brother, persuades him. However, in the meantime, Daimon, the young head of the Ginseikai, offers to take action on the condition that Hoshiyama, the chairman of the Ginseikai, retires.
Formerly a professional kickboxer, the wife of Amemiya, the president of a construction company who was recently arrested for the corruption of a general computer, sent an investigation request to Washizu (Satoru Sayama) of the Roppongi Imoarai-zaka secret detective agency. She wanted me to look for a note about corruption left by her husband. The investigation was Washizu, who focused on two women and started to move, but the incident started to go in an unexpected direction ...