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.

Aired

2025–2025

Seasons

1 · 12 episodes

Status

Ended

Created by

Im Young-bin, Choi Jeong-in

Network

MBC

Genres

Action & Adventure, Comedy, Drama

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Wikidata facts

Instance of

television series

Country of origin

South Korea

Original language

Korean