Undercover High School

A comic action drama about an NIS agent who hid his identity and entered high school disguised as a high school student to find the missing emperor's gold bullion.

21 Feb 2025

South Korea

68 mins

7.851

37 votes

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Byungmoon, Korea’s top private high school, is rife with corruption, where status and success matter most. Hae-sung, a top NIS agent, goes undercover at Byungmoon to find Emperor Gojong’s hidden gold and uncover the truth behind his father’s disappearance. Cold and calculated, he sees the school as an obstacle—until he connects with students and a former crush and becomes a reluctant hero. Torn between duty and newfound bonds, can he still complete his mission?

서강준
as Jeong Hae-sung
진기주
as Oh Su-ah
김신록
as Seo Myung-ju
김민주
as Lee Ye-na
윤가이
as Park Mi-jung
김영아
as Im Chung-ha
이현소
as Han Seung-jae
Kim Seung Beom
as Kim Ho Jin [Informant]
Kang Soo-bin
as Bully Student (Eps 2)

Episode 1
Episode 2
Episode 3
Episode 4
Episode 5
Episode 6
Episode 7
Episode 8
Episode 9
Episode 10
Episode 11
Episode 12