Inoue and the other detectives are disheartened after being told that the Boy Detectives' Club would be disbanded. The strange air around Kobayashi has returned and is working hard to heal his wound.

Kobayashi, along with Inoue, searches for the place that he saw in his dream. Hanasaki and Hide-chan then show up and offer to help. Shortly after, Kobayashi has a flashback after seeing gingko trees lining their path, then takes off running toward an abandoned building. Meanwhile, the police catch Akechi on the security cameras breaking the fake Twenty Faces out of prison. The police suspect Akechi is the real Twenty Faces, but Miyanishi disagrees and sets out to find the truth alone.