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.
★ 9.3
HD
★ 2.8
HD
★ 9.4
HD
★ 7.1
HD
★ 3
HD
★ 4
HD
★ 3.5
HD
