One moment.
Finding a story worth your time.
A similar state of mind
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Undercover High School
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.
The world, in frames.
Stills, posters, and artwork in every language.
Your next obsession.
Finding your next story…
Season after season.
Choose a season and explore every episode.
Behind the frames.
Original languageKorean
Original release2025-02-21
ProductionSouth Korea
Where to watch
Stream
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