Undercover High School
TV-14
2025 70m[Action](/on-demand/category/action), [Comedy](/on-demand/category/comedy)7.78.0
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.
