Kim Bok-Joo (Lee Sung-Kyung) is a promising collegiate female weightlifter. Meanwhile, Jung Joon-Hyung (Nam Joo-Hyuk) is a collegiate swimmer. One day on campus, Kim Bok-Joo bumps into Jung Joon-Hyung while he is riding his bicycle. Her face looks familiar to Jung Joon-Hyung. After he leaves, Kim Bok-Joo picks up a handkerchief left behind by Jung Joon-Hyung. The handkerchief is very important to him and he begins looking for it.