Undercover High School (2025)
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 Air Date: 2025-02-21
- Last Air Date: 2025-03-29
- Total Seasons: 1
- Total Episodes: 12
- Episode Runtime: 70 min.
- Network: MBC
- Director: Choi Jeong-in
- Creator: Im Young-bin, Choi Jeong-in
