Masamune Shinjo (Takumi Saito) and Rin Nanase (Yuno Nagao) end up hiding in Shiori's (Yumi Adachi) apartment. Rin becomes suspicious of Shiori, who is the mastermind behind the kidnapping -- but then the reason why Shiori left Shinjo three years ago is revealed! The terrible secret she has been hiding is revealed... Meanwhile, Detective Tsukasa Sunouchi (Yosuke Eguchi) and his team arrive at Shiori's apartment after learning that the Nanase family's surveillance cameras had been removed just a few days before the incident...!