Yoo-Jin's boyfriend's henchmen are on the lookout for Hyung-Goo to give him the beating of a lifetime. Meanwhile, his band is already putting him through the wringer, and they've only just picked their instruments! Of course, no one knows how to play anything, and while their teachers silently wonder if they'll be able to put even one song together by the end of the year, the band can't even make it through a single practice!