Remember when you see someone who catches your eye? Some people just stare and go, while some are lucky enough to see them again and maybe 

          Lee Eunhyuk is in big trouble, rumors have been circulating that he is dating Park

Hyoyeon and Doojoon are childhood friends turned lovers.    They promised each other never to leave each other's side. But when Doojoon decides to go study abroad, Hyoyeon is now alone.   Left with only a promise of him coming back.