A model student and a troublemaker fall in love with the same guy. The troublemaker lies to the model student, telling her that the guy likes wild girls. So the model student tries to turn herself into a troublemaker. Then the troublemaker tries to become a model student, in order to win the guy over. A low-budget student film originally produced for cable TV, Park Dong Hun's Girl By Girl stars Kwak Ji Min, who is best known for her role in Kim Ki Duk's Samaritan Girl.