Go Nam-soon, a young boy, constantly gets bullied by a group in his class. Later, one of his old rivals joins his school. Eventually, they are able to sort out their differences.
Starring Lee Jong-suk, Kim Woo-bin, Jang Na-ra, Choi Daniel, Park Se-young, Jeon Soo-jin, Uhm Hyo-seop, Kwak Jung-wook, Lee Yi-kyung, Oh Young-shil