Aoi, who saw the body of Oto who died in the detention center, had a flashback to the time when she found the body of Fuwa Sho's sister 16 years ago.

The Mochino Police Station Investigation Department 1 is conducting a search for the criminal who kidnapped Megumi's daughter.At the request of the abductor, Kosaka claimed that he was a person related to the incident 16 years ago.

Aoi asks Bupo if anyone else knows the secret code that only we know.Bupo replied that his sister Ling knew the secret code.Aoi borrows Ling's relics from Bupo to investigate.Just then, Aoi remembered something.

The unpublished eyewitness testimony from 16 years ago may be false. After the media found out about it, it was also reported on the news.There are even reports that the daughter of a serial murderer from 16 years ago assumed her identity and became a police officer.An order for Aoi to remain in home confinement until the situation stabilizes...