RIU Team One finds a witness to the murder case. However, the witness states Tae Sik is not the culprit. He provides a drawing of the murderer, and he looks similar to Choi Du Man. But when the team gets to arrest him, Du Man is already dead. The case becomes a bigger mystery. Who is the real killer?
Elenco: Jang Hyuk , Choi Soo-young , Jin Seo-yeon , Ryu Seung-su , Jang Hyun-sung .