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.

In India on Channel K via Prime (add-on)

IMDb unavailable · Rotten Tomatoes unavailable

Source checked 2026-10-24T14:35:32.267Z. Seasons, audio and plans may differ.