Undercover High School
7.9/10
2025
1 Seasons
12 Episodes
Action & AdventureComedyDrama
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.
