Overview
A children's mystery drama about four kid detectives solving various cases happening at school.
Cast
- Kim Ji-min as Kang Ha Ra
- Tang Joon-sang as Lee Seo Jin
- Yoon Chan-young as Lee Woo Jin
- Yoo Jun as Choi Dong Yeong
- Sieun as Jin Sun Mi
- Heo Jung-min as Choi Gi Chan
- Kim Myung-soo as Kang Suk
- Uhm Hyun-kyung as Song Soo Ji
- Choi Shang as Teacher Ma