Season
Season 1 Episode
- Season 1 The Emperor's Lost Gold
- Season 1 Spooky Stories
- Season 1 Ghost Story Riddles
- Season 1 Joining the Student Council
- Season 1 Student Council
- Season 1 Hye Seong's Father's Notebook
- Season 1 The 24th Anniversary of Byeongmun High School
- Season 1 The Plan for VIP Students
- Season 1 The Mathematics Teacher
- Season 1 Retribution
- Season 1 The Devastating Truth
- Season 1 Where The Stars Lead
Undercover High School - Season 1 Episode 11 The Devastating Truth
7.94 70 minutes The gold bars vanish just as they are within reach, and Seo Myeong Ju suspects Hae Seong has them. In the vault, Hae Seong makes a heartbreaking discovery of his father's remains. Overcome with grief, he finally finds closure, but a shocking truth emerges. He learns Director Kim Hyung Bae was behind it all. Determined to uncover the whole story, Hae Seong heads to confront him alone.
