Undercover High School

TV-14
2025    70mAction, Comedy,
7.77.9
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.

Where to Watch Undercover High School

1 Season

  • Season 1
    Season 112 Episodes

Cast of Undercover High School

  • Seo Kang-joonJeong Hae-sung
  • Jin Ki-jooOh Su-ah
  • Kim Shin-rockSeo Myung-ju
  • Kim Min-juLee Ye-na
  • Yoon Ga-iPark Mi-jung
  • Kim Young-ahIm Chung-ha
  • Lee Hyun SoHan Seung-jae
  • Yun Chae-binYun Chae-rin
  • Kim Sun-minJi Hyeon-jun
  • Su Hyun[Student]
  • Choi Jeong-inDirector
  • Im Young-binWriter

 

  •   
  •   
  •   
  •   
  •   
  •   
  •   

Take Plex everywhere

Watch free anytime, anywhere, on almost any device.
See the full list of supported devices