After being away from home for seven years, Kang Haenim returns to Seoul to help prepare for her sister Dalnim's wedding. There she meets her ex fiance Oh Sehun who brings up their painful past and tries to make amends with her. Haenim who is still broken hearted and is willing to forgive, fights the urge to fall in love with Sehun all over again.

When Kai confesses to Sun Jung that he has been cheating on her, she fights the urge of wanting to stay with him.