Eunjin and Key were the best of friends, until she headed to America and Key headed to Seoul after being accepted into SM Entertainment. The two best friends lost contact, as Eunjin focused on her schooling, while Key focused on his training. Years later, Key debuted with SHINee, while Eunjin was just about ready to head back to Korea. But something happens, she gets into a car accident, affected by amnesia, she forgets all the painful memories. Key leaving Daegu to go to Seoul--Followed by her parents' death in America--So once she heads back to Korea, she settles into an apartment, minutes away from SHINee's dorm, she instantly bumps into Key--Will they remember each other? Or have they been so engulfed in their own lives to have forgotten all the good times?