A children's mystery drama about four kid detectives solving various cases happening at school.
Kim Ji-min
Kang Ha Ra
Tang Joon-sang
Lee Seo Jin
Yoon Chan-young
Lee Woo Jin
Yoo Jun
Choi Dong Yeong
Park Si-eun
Jin Sun Mi
Heo Jung-min
Choi Gi Chan
Kim Myung-soo
Kang Suk
Uhm Hyun-kyung
Song Soo Ji
Choi Shang
Teacher Ma
77 Sunset Strip
Father Brown
Perry Mason
Harry Wild
The Hardy Boys / Nancy Drew Mysteries
Gone
Sherlock Holmes
Annika
Frankie Drake Mysteries
Sherlock & Daughter
Miss Scarlet
The Doctor Blake Mysteries
The Fearless
Mr. Rose
XY gelöst
Doubt
The Investigator
Dora's Dream
Kapitan Sowa na tropie
Gifts for Future
Deep in My Heart
The Second Chance
Mask
Seizure
