Undercover High School (2025)

Korean series · Action & Adventure, Comedy, Drama · 1 season · TMDB 8/10

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 (Jeong Hae-sung), Jin Ki-joo (Oh Su-ah), Kim Shin-rock (Seo Myung-ju), Kim Min-ju (Lee Ye-na), Yoon Ga-i (Park Mi-jung), Kim Young-ah (Im Chung-ha).

Created by Im Young-bin and Choi Jeong-in.

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