Miyanishi was shot to death by Nakamura. During her interrogation, Nakamura testifies that Twenty Faces is actually Akechi. Determining that she may have been under his control, the police conduct a search of the Akechi Investigation Firm office.

The Boy Detectives' Club arrives at the Space Expo. Hanasaki and Kobayashi board the shuttle for Twenty Faces' base, where Akechi is being held captive, but things don't go as planned.