what when the love of your life love some one else plus of that some one is dying because of heartbreak its sad case because your just playing the role of the other man who trying not to be 

henry lau: 25year old.half chinese half taiwan.vey handsome and rich in love with taeyeon

kim taeyeon:25year old.korean.drop dead gorgeus. she live with her poor family hard working in love with kwon jiyong

kwon jiyong:26 year old.korean.playboy play with taeyeon heart and throw it like trash in a garbbage but sometimes he do fell guiltyfiancce with that super model kiko

jessica:taeyeon best friend.25 year old.always feel sad for her friend