Undercover High School

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.

First Aired

Feb 21, 2025

Last Aired

Mar 29, 2025

Episode Runtime

1h 10m

Created By

Im Young-bin, Choi Jeong-in

Network

MBC

Original Name

언더커버 하이스쿨

Country

KR