
Seo Kang-joon
Jeong Hae-sung

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.
Year: 2025
Genres: Drama, Comedy, Action & Adventure
Country: South Korea
Director: Choi Jeong-in
Tags: Romance, romcom, undercover agent, agent, comforting
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