A doctor finds himself in the middle of an unsolved serial murder case after discovering a secret from a sedated patient. When dismembered bodies show up close to home, he must solve the riddle before the killer realizes what he knows.
Seung-hoon
Sung-geun's Father
Sung-geun
Mysterious Man
Mi-yeon
Soo-jung
Mi-sook
Ji-sook
Bae Jeong-ja
Hospital Director
Young Hoon
Gangnam Detective Team Leader
Gangnam Detective Team Member 3
Patient
Tatoo
Patient
