Song Ji Hyo is an 20 years old girl who study in Faculty of ScienceTeaching , she known as cold hearted and tough girl but actually she is secreetly in love with actor Lee Dong Wook for 4 years who was her friend in high school. She manage to love him even she knew that her love is only oneside story. She then meet Kim Jong Kook her lecture who is 10 years older than her, he's a good looking one, have a manner and muscular man. He's the youngest lecture in the University. he is so popular among girl student and Ji Hyo is actually adore him too even never admit that because she is dislike a popular man. She is somehow avoid Kim Jong Kook because afraid will in love with him like another girl but Kim Jong Kook can sense Ji Hyo awkwardness toward him. Jong Kook try to never mind what she did but he can't manage to act as usuall to her, he keep wondering his self, why did he can't apply a relationship with Ji Hyo as lecture-student like with another student, and he end up with falling in love with her. but he knew that Ji Hyo heart is never belong to him.