Eunbi meets Chaeyeon and she fell in love at first sight, but was unable to keep in touch. Four years later, during a business trip to hire a model for her agency, she meets her again and became determined to win her heart - but finds out that she is about to marry Sakura, the model that she just hired.

Chaeyeon has an unknown disease, and about to die, she wishes the forgiveness of Eunbi, her ex-wife, whom she hurted deeply.