Heeseung is your best friend and also your ex-boyfriend. But you married another man and have a daughter with him now she's 3 years old, but he started to cheating on you and beating you up. You couldn't do anything because he was blackmailing you and you couldn't defend yourself.

Tonight you managed to escape with your daughter. You went to hide at Heeseung's place. It's night and you knocked on his door and he opened it and saw you with your daughter in your arms.