Bok Gu and Eun Seok spend this one "crazy" day together, promising to forget everything else. After that they promise to live well - a life they've wanted to. One year passes and they both reach those goals they had set a year ago. But they're not happy. Eun Seok runs away. Joon Seong finds Bok Gu, so he could find him look for her. Bok Gu finds Eun Seok.