There are a lot of dark secrets at Seonam Girls High School, but nothing is too difficult to solve for the school's Sherlockian group of private investigators. Mentored by their teacher Ha Yeon Joon, these beautiful and intelligent sleuths use investigatory finesse to solve hot-button cases, including abortion, bullying and suicide.
as Ahn Chae-yool
as Yoon Mi-do
as Lee Ye-hee
as Kim Ha-jae
as Choi Sung-yoon
as Oh Yoo-jin
as Ahn Chae-joon
as Ahn Hong-min
as Ha Yeon-joon
as Lee Yeo-joo
as Shin Jang-mi
as Park Se-yoon
as Choi Chang-hyun
as Jo Ah-ra
