2025 · Action & Adventure, Comedy, Drama · 8.0/10 (66 votes) · 1 season · 12 episodes · Ended
Ace NIS agent Jung Hae-seong is demoted after a mission failure. He goes undercover at a high school to locate King Gojong's missing gold, meeting his teacher Oh Soo-ah, who sees him as her lost first love, stirring old heartbreak.
Directed by Choi Jeong-in
Created by Im Young-bin, Choi Jeong-in
Written by Im Young-bin
Genres: Action & Adventure, Comedy, Drama
Language: Korean
Country: South Korea
Original title: 언더커버 하이스쿨
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Undercover High School is a 2025 action & adventure, comedy, drama series rated 8.0 out of 10 by 66 viewers on TMDB. The series follows: Ace NIS agent Jung Hae-seong is demoted after a mission failure. He goes undercover at a high school to locate King Gojong's missing gold, meeting his teacher Oh Soo-ah, who sees him as her lost first love, stirring old heartbreak.
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