Delivery Man
The Man Behind the Murders (1x10)
:
Gyu-jin drops by Young-min's house to see if Young-min has found any evidence. He finds out that Young-min has no solid evidence to back up his suspicion. Meanwhile, Young-min finds the note that Nurse Kim Hee-yeon left Jung-woo, so he confronts her. On the way home, Young-min gets attacked from behind and kidnapped.