Takeharu Morimoto

Accused of a murder he didn't commit, a prosecutor sets out on a mission to clear his name.

Seiji is a third generation "Gosei kai" gang member. He works to build up the group's strength. Meanwhile, a journalist investigates a case that occurred 19 years ago. He meets Hayato, Daisuke and Asami.

When the mobster Iwaida Nishikawi is executed by the hit man Takeshi, his family chases the killer. Takeshi's brothers Takashi and Hideshi Miwa try to find Takeshi, who is hidden with the nurse Rie Ishibashi, to protect him and Hideshi discovers that Takeshi was secretly sent by their Yakuza boss to eliminate Iwaida. Meanwhile, the mobster Kenmoshi abducts Takashi's wife Mariko and rapes her, trying to force Takashi to deliver his brother to him.

Years after retiring from their formidable ninja lives, a dysfunctional family must return to shadowy missions to counteract a string of looming threats.