Hera has a very bitter memory of her last romantic relationship with Byun Baekhyun. He had broken up with her as if she was nothing in his life, yet they had spent 2 years together. From that moment she had decided to start a new life far from this country where she met him. She thought that she will be over him one day but she can't because she was carrying a child of him. However, when their paths crossed at all chances during a wedding, his little life was no longer going to be as it was.