Four Totally different people,who love life are connected together.Kim Hyoyeon is a warm-hearted and friendly girl who becomesLee Donghae-an irrogant and spoil Idol-personal  bodyguard.Atfirst she dilikes him,but as time goes by,she then totally sees a sweetside of him,that makes her fall for him,but she knows that a romanticrelationship between them will never happend,because he is anIdol and she is just a regular girl.Her heart is torn when she founds outthat he has been dating Model and Actress Jessica Jung,and that theyare engaged.With her torn heart,Hyoyeon goes to a bar and drinks somuch that she cannot stand on her own two feet,she falls asleep andwakes up the next day in an unfamilar house and she meets her childhoodfriend and first love Kim Jaejoong.She quits being Donghaes personalbodyguard,without knowing that he is also in love with her.Jaejoong meetsJessica,his ex-girlfriend,he broke up with her without a reason.  Kim Hyoyeon23 yrs oldA sweet-hearted young women,who is very outgiong and loves to makefriends,even to those that dilikes her.She is a black belt in Martials Artand Judo.  Lee Donghae25 yrs oldHe is a very popular Idol,who is different on and off stage.He acts likea kid alot,when he is of tv,and he is irrogant and loves to bother Hyoyeonalot.He hates that a girl is his bodyguard. Jung Sooyeon/Jessica23 yrs oldMany people call her Ice Princess,because of her appearance.The onlyreason she acts the way she does is because of Jaejoong.She just wantssomeone to love her for her,nothing else.  Kim Jaejoong26 yrs oldHe has done many things that he regrets,like breaking up with Jessica,without telling her the reason why.He seem to be in love with both Hyoyeonand Jessica and he doesnt know who to pick.  MINOR Tiffany Hwang(23)- Hyoyeons bestfriendKim Hyunjoong(26) - Hyoyeons oldest brother, Tiffanys boyfriendIm Yoona(22) - Donghaes cousinsKim Taeyeon(23) - Hyoyeons unidentical twin sisterKim Stephanie(25) - Hyoyeons older sisterKim Kibum(24) - Hyoyeons second older brother