Kim Hyeong-wan

Yoo Jin falls in love with Joon Sang as a young girl. After losing him in an accident, she decides to marry her childhood friend. However, Yoo Jin meets someone looking exactly like her lost love, putting her in a bind.

Young-joon, a fresh prosecutor, takes a big affair to leave for Busan and unwillingly gets cooperation from his father, Min-ho who is a veteran detective who deserted his family at one time. Since then, they are living separately without keeping touch each other for years. Now that their destiny to trace the same host of the accident related with a big drug trade gives the father and son a chance to recover their affection over the long time.