Watch Undercover High School 2025
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.
Genre: Action & Adventure, Comedy, Drama
Type: TV
Runtime: 70 min
Rating: 7.9
