Episode 1

Haruko’s investigation into a specific murder case uncovers that the victim was living under a false identity, which shifts the motive toward a potential revenge killing. This revelation complicates the case for the Tagusari brothers as they track the suspect, Nogami, leading to a series of shocking truths about the victim's past.

The brothers find their parents' suspected killer comatose in a hospital. As they investigate an arson-murder case, Minoru uncovers key evidence.

Makoto and Minoru find a key and a cryptic note among Tsuda's belongings. Meanwhile, the hunt for a fugitive takes a grim and unexpected turn.

A hidden handgun leaves Makoto and Minoru facing difficult questions, and a bizarre confession leads police into an increasingly baffling investigation.

The handgun leads Makoto and Minoru to their father's factory — and a possible link to the yakuza. A fatal car accident reveals foul play.

Minoru investigates a suspicious death and hunts for Tsuda's missing notebook as Makoto's ties to a city welfare counselor raise red flags.

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