Undercover High School
Action & AdventureComedyDrama
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.
Seo Kang-joon
Jin Ki-joo
Kim Shin-rock
Kim Min-ju
Yoon Ga-i
Kim Young-ah
Lee Hyun So
Yun Chae-bin
Kim Sun-min
Kim Seung-beom
Kang Pil-jun
