Kenta Sakaguchi was a yakuza member and he spent 13 years in prison for killing a rival boss. Hidehiko Hirohashi was a secretary for a politician and took the blame for the politician's act. Isao Okawara was a self-defense official, but he took in arms against the government. The three men gather under retired ex-detective Gonzaemon Mukai and get even with the people who betrayed and deceived them.
