In a yakuza world where brute force is no longer enough, the fearsome Igarashi-gumi faces a turning point. All eyes are on two successors: the hardline enforcer Samejima (Riki Takeuchi) and the young boss Segawa (Hiroshi Fuse). While the bedridden boss’s true wishes remain unclear, Segawa begins making secret moves behind the scenes. Greed and ambition ignite a bloody internal war over succession.

Samejima (Riki Takeuchi), a member of the Igarashi group, thwarts a plan by Yano (Takashi Matsuyama), a member of the Hanamori group, to crush the group. Yano asks for an apology, but Samejima is reluctant. Meanwhile, Dojima (Yoshiyuki Yamaguchi), an executive of the Hanamori-kai, plans to expel Yano after his plan fails, and falsely tells Kurata, a group member who admires Samejima, that Yano is plotting to assassinate Samejima. Kurata (Go Ibusuki) is seduced by this plan and carries out the assassination of Yano without Samejima's knowledge...