Undercover High School - Season 1
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.
Genre: Action & Adventure , Comedy , Drama
Actor: Seo Kang-Joon , Jin Ki-Joo , Kim Shin-Rock
Creator: Im Young-Bin , Choi Jeong-In
Country: Korea
