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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12 episodes · February 21, 2025
You can stream Undercover High School on Rakuten Viki, OnDemandKorea, Kocowa Amazon Channel and Kocowa.
No — Undercover High School has ended.
Undercover High School has 1 season and 12 episodes, and first aired in 2025.
Undercover High School holds an average rating of 8.0/10 on TMDB, and it lands best with fans of action & adventure, comedy and drama. Join the discussion below to add your take.
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