8.8A text message arrives from a dead friend. Since then, mysterious cases take place in a high school, which are intricately tangled with each other. Five mystery club members get together to reveal the truth of the mysterious incident at school.
Jeong Jong-yeon
TVING
1. Five Transfer Students Arrive At Saera Girls’ High School
2. Five Transfer Students Go To The Mystery Club
3. The Mystery Club Hideout
4. The Curious Case Of The Cafeteria
5. The Question Number Five
6. The Secret Of Mr. Dokgo
7. Suicide At The School
8. Hee Sun And The Green Pills
9. In Hye’s New Posts
10. The Past Of In Hye And Ae Ri
11. In Hye And Ae Ri’s Friendship
12. The Suspicious Teacher
13. It’s Mr. Dokgo
14. Rooms with Numbers
15. The Enrichment Study Building
16. Series Of Switches And Jolli-G
Park Ji-yoon
Self
Jang Do-yeon
Self
JAEJAE
Self
BIBI
Self
Choi Ye-na
Self
