As a child Kim Minseok ( more known as Xiumin) hated his life he had know one to lean on until Xi Luhan comes. Luhan helps Minseok with everything soon they end up in a private relationship. Xiumin and Luhan fight after one year of dating which ends up to Minseok moving to China to live with his drug addict sister. Now in highschool he moves to Korea again to live with his parents he finds Luhan at his new school. Xiumin wants to try to find love again but with the pain in his heart it seems impossible until he meets Baekhyun not knowing another tragedy falls upon these two.