The detectives continue investigating Baek Soo Jung's disappearance at the studio apartment, but they find it rather difficult getting their hands on the CCTV footage. Later, the investigation into Soo Jung's disappearance gets official underway. And because of it, one person tries to find the truth behind it, and another frantically moves to keep it covered up. Meanwhile, Soo Ho finds blood in Yeo Joo's basement.