- Title: 말하지 못한 비밀/ Beulraek Aidolseu; School Riot;
- Also Known As: Black Idols / School Revolt
- Genre: Drama, Music, School
- Director: Song Dong-Yoon
- Broadcast period: October 22, 2015
Daean School is a school of hope; however, in reality, its actually a place of despair where the students are treated like garbage. It’s unbelievable but true. The teachers of Daean School are drowned in desire to an extent that they step on the students’ dreams. It is time to set things right.