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Undercover High School poster

TV SERIES

Undercover High School

2025 · 70 min · Action & Adventure · Comedy · Drama

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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Where to watch in the United States

IncludedRakuten Viki · OnDemandKorea · Kocowa Amazon Channel · Kocowa
Free with adsRakuten Viki

Creators

Choi Jeong-in — Director

Top cast

Seo Kang-joon portraitSeo Kang-joonJeong Hae-sungJin Ki-joo portraitJin Ki-jooOh Su-ahKim Shin-rock portraitKim Shin-rockSeo Myung-juKim Min-ju portraitKim Min-juLee Ye-naYoon Ga-i portraitYoon Ga-iPark Mi-jungKim Young-ah portraitKim Young-ahIm Chung-haLee Hyun So portraitLee Hyun SoHan Seung-jaeYun Chae-bin portraitYun Chae-binYun Chae-rinKim Sun-min portraitKim Sun-minJi Hyeon-junKim Seung-beom portraitKim Seung-beomKim Ho-jin

EPISODE GUIDE

Seasons

Undercover High School Season 1 poster
Season 112 episodes · 2025

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