One day, clumsily, Ye-Won leaves a message on the school website to reply to Eun-Sung's impolite message. She is shocked when someone calls her mobile and threatens her. Gradually, her best friend, Lee Kyung-Won, tells her who Eun-Sung is. He sends Ye-Won a message on her mobile: He will wait for her in front of the main gate. She is so scared that she and Kyung-Won decide to jump over the school wall. Unfortunately, the moment Ye-Won jumps, Eun-Sung is standing exactly at the other side of wall.
Cast:Song Seung-heon, Jeong Da-bin, Lee Ki-woo, Ahn Hae-su, Kim Yeong-hun, Lee Min-hyeok