Song Ji Hyo was decide to lock her heart after what happened about her first tragic love, she keep avoiding and try her best to not falling in love with any guy again. She just afraid if she falling in love, she will more broken into little pieces again. She never close to any guy and acting cold toward them. It's not like because her heart was dead and can't feel the warm of love, but it's just because she keep loving her first love, Kim Kook Jong. For her, the on