She's rich, she's pretty, her twin brother is Baekhyun, her bestfriend is Chanyeol and she's engaged to the handsome chaebol, Xiumin, way before she was in diapers. Byun Hyun Mi has everything any girl would want. Or does she? What happens if that mysterious boy from her childhood returns years later as a prince-like man who goes by the name Luhan? Everything will collapse. Friends, family, engagement. And Luhan can never love her back.