Seasons and episodes
1Season 1 Feb. 21, 2025
1 - 1The Emperor's Lost Gold Feb. 21, 2025
1 - 2Spooky Stories Feb. 22, 2025
1 - 3Ghost Story Riddles Feb. 28, 2025
1 - 4Joining the Student Council Mar. 01, 2025
1 - 5Student Council Mar. 07, 2025
1 - 6Hye Seong's Father's Notebook Mar. 08, 2025
1 - 7The 24th Anniversary of Byeongmun High School Mar. 14, 2025
1 - 8The Plan for VIP Students Mar. 15, 2025
1 - 9The Mathematics Teacher Mar. 21, 2025
1 - 10Retribution Mar. 22, 2025
1 - 11The Devastating Truth Mar. 28, 2025
1 - 12Where The Stars Lead Mar. 29, 2025
Creator
Creator
Cast
Jeong Hae-sung
Oh Su-ah
Seo Myung-ju
Lee Ye-na
Park Mi-jung
Im Chung-ha
Han Seung-jae
Kim Ho Jin [Informant
Video trailer
Synopsis
Byungmoon, Korea’s top private high school, is rife with corruption, where status and success matter most. Hae-sung, a top NIS agent, goes undercover at Byungmoon to find Emperor Gojong’s hidden gold and uncover the truth behind his father’s disappearance. Cold and calculated, he sees the school as an obstacle—until he connects with students and a former crush and becomes a reluctant hero. Torn between duty and newfound bonds, can he still complete his mission? 
Original title 언더커버 하이스쿨
TMDb Rating 8.032 31 votes
First air date Feb. 21, 2025
Last air date Mar. 29, 2025
Seasons 1
Episodes 12
Average Duration 70 minutes
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