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