S1·E3 Episode 3

"I didn't kill my father." To Kozue Fuyuki (Ryoko Shinohara), a prison guard at Hikawa Detention Center, Kusaka Reiji (Jesse), who is suspected of murdering his father, claims his innocence. Detective Saeki Yusuke (Naohito Fujiki) says that the circumstantial evidence makes the possibility of his innocence extremely low, but... Meanwhile, Reiji approaches a cult that is plotting a prison break, asking them to join him... Soon after, a hostage situation breaks out inside the detention center! What is the motive behind the man (Ken Horiuchi) who demands a retrial in exchange for Kozue's life...?