Nagamine avenges his daughter's murder, igniting a divisive drama over justice as he hunts down her killers.

Inspector Hiratsuka pursues Nagamine. Makoto and journalist Yukari are involved. Nagamine's sorrowful letter deeply moves Wakako in Nagano.

Nagamine returns to a pension from his past. As media frenzy and police close in, the owner's daughter, Wakako, discovers his secret.

Wakako acted on discovering Nagamine's identity. Detective Oribe reflected on his family, Hiratsuka compared cases, and Kaiji hid, feeling lonely.

Takumi sees Wakako hiding Nagamine and tries to persuade her. Ayumura erupts over articles about his daughter, and Kaiji confronts Nagamine.

The police, guided by Makoto, trap Kaiji. Despite Wakako’s plea, Nagamine grabs his gun after hearing Kaiji is in Shinjuku and sees him surrounded.