ChaeRin Lee (CL) and Choi Seung  (TOP) have had many encounters during their childhood . He was a hero to Chae Lin because she was often bullied by girls that envied her caring personality , stunning looks , and talent . But Seung Hyun would protect her helping her life become more easier day by day . Sadly , Chae Lin had to move to the states because her parents had gotten a well paid job and they thought that it would give her a better education there . As Chae Lin grows up , all she remembers about Seung Hyun is the dove shaped birthmark on his wrist . She comes to her thoughts and leaves the states to go back to her home in Seoul . She tries her best to make a good living there . On the other hand , Seung Hyun is having a difficult time with his fame but continues living his dream he worked so hard for . Seung Hyun doesnt really remember anything about Chae Lin since a part of his past was such a painful memory for him that keeps haunting him . One day though , Chae Lin and Seung Hyun had met each other once again by the most amazing thing , fate .