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.
★ 7.1
HD
★ 3
HD
★ 7
HD
★ 6
HD
★ 7.4
HD
★ 7.8
HD
HD
★ 8
HD
