2025Rated 8.0(63)1 season~70 minEnded
0 of 12 episodes0%
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.
Created by Im Young-bin, Choi Jeong-in
