Katsuragi Yugo who was kidnapped 20 years ago is still alive. The DNA left at the crime scene matches that of Keigo which results in him being interrogated by his colleague. Minagawa is suspicious about the amount of evidence and wonders if it was really Keigo that committed the crime. Minagawa visits Satomi alongside Shiori in order to proceed with the investigation independently. Satomi is surprised to find out that Keigo is being suspected and tells them that Yugo may still be alive. While monozygotic twins have the same DNA, they have distinct differences. Satomi points out that the fingerprints may indicated that it wasn't Keigo. On the other hand, the men in charge of the kidnapping case 20 years ago continue to suffer. Kuno has a hard time accepting the fact that Yugo was alive the whole time. Keigo, whose handkerchief was Tajima's blood on it, has an arrest warrant issued for him. 20 years ago, Yugo was kidnapped by masked men. One of the criminals, Yoshizaki, confine him into a room in an abandoned house. He meets Yoshizaki Eri.