Undercover High School
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.
Episodes
Cast
Seo Kang-joon
as Jeong Hae-sung
Jin Ki-joo
as Oh Su-ah
Kim Shin-rock
as Seo Myung-ju
Kim Min-ju
as Lee Ye-na
Yoon Ga-i
as Park Mi-jung
Kim Young-ah
as Im Chung-ha
Lee Hyun So
as Han Seung-jae
Yun Chae-bin
as Yun Chae-rin
Kim Sun-min
as Ji Hyeon-jun
