Tobi Senju (Takashi Sorimachi) learns that his first wife Ibuchou (Arisa Kanzuki) was the executioner of the serial murders that occurred ten years ago.Although Qianju had found out the truth, he deliberately lied to Chou, saying that the culprit was Yuki Renko (Shiraishi Mai), and asked Chou to print Renko's fingerprints on the mobile phone used as a bomb detonator to falsify evidence.

Qianju speculated that Chou, driven by self-blame, would come to “Okura” to confiscate the counterfeit mobile phone.He hid the fake cell phone inside the department.Regarding Satoshi's (Sugino Haruka) doubts about whether it was necessary to specifically portray Renko as a criminal, Senju revealed his true intention: he wanted to confirm what kind of person Shou really was.

That night, Chou came to “Okura” as Qianju expected.During Qian Ju's interrogation, Chou admitted that he had triggered a series of incidents with homemade bombs, and confessed that this was done under the instructions of “Hide and Seek”.At the same time, Li Zi, who was observing the interrogation in another room, felt a sense of disobedience...