A boisterous detective goes undercover in a high school in order to befriend the teenage daughter of a notorious gangster.
김선아
Chun Jae-in
Gong Yoo
Kang No-young
남상미
Seung-hee
김상호
Detective Kang
노주현
Detective Chun
홍수아
Jo Hye-ryung
오광록
Bae Doo-sang
Moon Seo-yeon
So-young
박상면
Class Teacher
김갑수
Cha Young-jae
하정우
Detective Cho
최불암
Chief Prosecutor
