Bea (Suzy) and Louie (Myungsoo) already had their perfect love story. But one accident happened that changed everything and brought them apart from each other. Because of this, Bea's heart got broken and her world shattered. But in her loneliness, there was one person who never gave up on her. That person was Eidam (Chanyeol). He brought back the smile on her face and happiness in her life. At first, Bea didn't want to admit that she was already falling for Eidam. But what if the moment she realized that she really has fallen for him, that's the time when her first love, Louie, comes back in her life? What will she do? And who will she choose?