First air date: Feb 07, 2014
Episode duration: 00h 30m
Rating: (3) based on 1 votes
Status: Ended Seasons: 1
Episodes: 16
Starring: Kim Ji-min, Tang Joon-sang, Yoon Chan-young, Yoo Jun, Park Si-eun
Genre: Mystery,
Drama
A children's mystery drama about four kid detectives solving various cases happening at school.
