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Final film in the '任侠哀歌' trilogy. Kurosaki Ken (Namioka Kazuki) has now lost both parents to the machinations of the Kiryu Clan and his fire for vengeance hits its peak. However, the chairman of the Kiryu Clan, Kijima (Watanabe Hiroyuki), is revealed to have been both a close friend of Ken's father Hiroshi ... and Ken's own biological father. Kijima challenges Ken to a one-on-one duel and allow his son an honourable vengeance, but the Kiryu Clan's captain, Sagawa (Motomiya Yasukaze) interferes to protect Chairman Kijima and shoots Ken in the leg, ending the fight in a draw. Unable to move and but needing to further his plan to dismantle the Kiryu Clan, Ken beseeches his friend Daisuke (Isaka Tatsuya) to visit a certain person: Ishibashi (Sugata Shun), a detective who had been circling around the wild Sagawa. Realising their goals are aligned, Ishibashi shares a vital secret that may finally end Sagawa's rampant violence ...