一个坚持正义的前拳击选手（马东锡 饰）迫于生计去当了体育老师，与怀疑朋友突然失踪的高中女生（金赛纶 饰）一起破获了女高中生失踪案。
Ma Dong-Seok
Ki-chul
Kim Sae-ron
Yu-jin
장광
Ki-tae
이상엽
Ji-sung
신세휘
Su-yeon
Jin Seon-kyu
Byung-doo
오희준
Dong-soo
배진아
Yi-seul
여무영
Chairman
유영빈
Tow Truck Driver
이상훈
Detective
Yoon Byung-he
Chil-seong
Kang Jeong-won
Bully Girl Student
강민준
Boy
