Ye-won and Young-su are both seniors at high school. They need to enter the university at any cost. They make a promise to make it to the university and pursue the dreams of their life together. Though Ye-won passes the test with no problem, Young-su fails it. As Ye-won gets close with Deok-jin, Young-su loses his faith and falls into the deep delinquency. Ye-won couldn't let Young-su go astray so she decides to be with him.