Detective Kang gets involved with a drug business to pay the medical bill of his comatose wife. Min-woo confesses to Kang that he has killed his wife, who knows his past. Slowly, Kang realizes his wife's incident and Min-woo are connected.
Detective Kang
Min-woo
Soo-yeon
Lee Ki-chul
Jo Sang-tae
Chief Detective
Yoo Chang-won
Suk-jae
Doctor
Detective Min
Det. Kam Chal-ban
Exam Studying Area Woman
Detective
Police Officer
Police Officer
Detective Lee
Yogurt Drink Saleswoman
Detective Kang's Father
Detective Ahn