Luhan and Haeyeon were dating for 2 years until he broke up with her to pursue his mom's dream. Haeyeon was really hurt and sad because he was her first love. Ever since then, Haeyeon became cold and she never believed in true love again... She thought that she has already forgotten him already but what happens when he comes back? Is she going to forgive and accept him or not? Happily ever after or not? Does their feelings still remain the same?