Jae-Kyung (Hyun-Bin ) is a tough guy, who is a high school senior,If he turns 19 years means, he could be a millionaire by inheriting his deceased grandfather s wealth. Unfortunately his family lawyer informs Jae-Kyung about the will from his grandfather. In his will grandfather stated he can only become a millionaire after he graduates from Boram High School,a countryside local school. He has no other choice to avoid. Life became worse there and he can t use his money or make friends. In his class, he meets Eun-Hwan (Lee Yeon-Hee)a pretty girl. She s some kind of different from others. Things change Jae-Kyung s mind and became close to their new friends. Eventually he fell in love with Eun-Hwan and things become strong after he knows about her secrets.