- Eps 1: The Emperor's Lost Gold
- Eps 3: Ghost Story Riddles
- Eps 4: Joining the Student Council
- Eps 5: Student Council
- Eps 6: Hye Seong's Father's Notebook
- Eps 7: The 24th Anniversary of Byeongmun High School
- Eps 8: The Plan for VIP Students
- Eps 9: The Mathematics Teacher
- Eps 10: Retribution
- Eps 11: The Devastating Truth
- Eps 12: Where The Stars Lead
Undercover High School
HD
n/a
1 Season
At Byungmoon, a prestigious private high school in Korea, corruption runs rampant, with social status and academic success taking precedence. Hae-sung, a skilled NIS agent, infiltrates the school to locate Emperor Gojong’s concealed gold and unravel the mystery of his father's disappearance. Initially viewing the institution as merely a hurdle, Hae-sung's icy demeanor softens as he forges connections with students and rekindles a romance. Caught between his mission and the relationships he develops, he must navigate the complexities of loyalty and duty while striving to achieve his objectives.
