Undercover High School (2025)
| First Air Date: | 2025, February 21 |
| Last Air Date: | 2025, March 29 |
| Status: | Ended |
| Seasons: | 1 |
| Episodes: | 12 |
| Episode Runtime: | 70 min |
Overview:
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.