Overview
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.
CreatorsIm Young-bin, Choi Jeong-in
WritersIm Young-bin
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Details
First air date2025-02-21
Last air date2025-03-29
Production countriesSouth Korea
LanguageKorean
Homepagehttps://program.imbc.com/UndercoverHighschool
