Zhi (played by Yuna Hei) tells Azudo (played by Takahei Maruyama) that the prisoner in the child murder case in the valley is a person that the two have seen in the old bookstore in the past.Azuko said that although he did not know the prisoner's face, he could confirm the identity of the prisoner as long as he heard the sound. He asked Yuandu to assist in the search, but Azuko, who regretted the injuring of the prisoner, refused to help and let go of the azuko.

The unwilling awl talks to Oxtail (played by Kajiwara Yoshi) and Leopard Head (played by Hachimura Rintaro).The three people gathered in the orange room again sneaked into the police station to obtain a notebook left by Tengu Nashiro (played by Yamaguchi Makiya) who was hiding from the cone by the head of the first section, Guitou (played by Katsunori Takahashi).The three of them used their teamwork and outstanding memory to successfully bring out notepad from the ghost head's room.

A few days later, Zhi came to Shishilang's grave and encountered a ghost head with his hands folded in front of the grave.He confessed that Amaze stole the notepad, and the ghost apologized for hiding the dog's notepad.The ghost head has been secretly investigating this matter.Awl felt something was wrong with her condition when she was stabbed, and the prisoner was a policeman in the Valley Bureau.Zhu and Guitou hurried to the valley station, but Zhu, which was approaching the truth, had an unstable shadow quietly approaching...