Undercover High School

2025· 69 min★ 7.7· Action, Comedy, Thriller

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.

Cast: Seo Kang-joon, Jin Ki-joo, Kim Min-ju