Nanhee Hong is the only daughter of the Hong family. She has an older brother with a sister complex who is the jjang (boss) of his school, and a younger brother, who is a member of the rival school's gang. When Nanhee goes to get her troublesome brother from a bar, she wakes up the jjang of his school, Ji Young Jin. Things in her life starts to go wrong in her life like how her heart aches everytime she thinks of him and rumors go around that they are dating. What will she do?