Episode 1

S1 E1: At National Forensic Hospital, an inmate, a woman who is known to have killed her own daughter, has gone missing. However, all the staff members at the hospital claim that they have thoroughly checked the number of inmates and that they have absolutely no idea where and when she has gone missing. Detective Han Tae Gyu is put in charge of investigating the situation and gets into a dispute with Ms. Kang.