3rd film in a 6-part series. Umehara (Ozawa Hitoshi) finds further proof of the internal spy within the WRC organisation's ranks, and moves in to expose the traitor, concerned more with the protection of the organization and his brotherhood than the Chairman's seat itself. Meanwhile, Tamura (Sugata Shun), partners with the Chinese mafia to further plague - if not eliminate - Umehara's faction. Meanwhile, Tadano (Namioka Kazuki), beginning to buckle under pressure, visits the hideout of Yuko (Sasaki Kokone) who is revealed to be part of the mysterious Unit Zero and becomes face-to-face with Inspector Sano (Shinsui Sanshou) ...

ヤクザ社会が統一し巨大コンツェルンとして発足したＷ．Ｒ．Ｃ。 内部にスパイがいると踏んだ理事長の梅原（小沢仁志）は、裏切り者を炙りだすために動き出す。 そんな中、同じく理事長の田村（菅田俊）ははチャイニーズマフィアに接触し、Ｗ．Ｒ．Ｃのトップに上り詰めることを画策。 同じ頃、亡き会長の秘書・多田野（波岡一喜）は、公安０課に協力するジャーナリスト優子（佐々木心音）のアジトを訪れるのだった・・・。