Tokyo is a dark technopolis, a city of faceless chrome and cold marble. It is ruled by Nogi, a yakuza boss specializing in drugs and murder. He gained absolute power by executing the former boss and marrying his daughter, Chiaki. Only the mysterious Ikko, Chiaki's half-sister threatens him. Inspired by a legendary hit-woman, Ikko calls herself the Black Angel and plans to wash away her father's murderer with a deluge of blood.

An assassin for a secret organization keeping Japan safe from underworld threats finds himself targeted by evil forces aiming to unleash an unstoppable criminal syndicate upon Japan.

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...

Five years after the all-out war between the Sanno and Hanabishi crime families, former yakuza boss Otomo works in South Korea for Mr. Chang, a noted fixer. When tensions rise between Chang and the Hanabishi, and Chang's life is endangered, Otomo returns to Japan to settle things once and for all.

A former special forces operative struggling to contain the destructive impulses of his past goes on a rampage against a squad of ruthless assassins.

A racist corporation is looking to expand its territories of domination and for that it needs to destroy the Yakuza mafia. It is then that a transgender woman suddenly appears willing to defend the Yakuza tradition.