Undercover High School (2025)

02/21/2025 (KR) • 1h 10m

Action & Adventure, Comedy, Drama

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.

Overview

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?

Top Billed Cast

Seo Kang-joon

Jeong Hae-sung

12 Episodes

Jin Ki-joo

Oh Su-ah

12 Episodes

Kim Shin-rock

Seo Myung-ju

12 Episodes

Kim Min-ju

Lee Ye-na

12 Episodes

Yoon Ga-i

Park Mi-jung

12 Episodes

Kim Young-ah

Im Chung-ha

12 Episodes

Lee Hyeon-so

Han Seung-jae

12 Episodes

Kim Seung Beom

Kim Ho Jin [Informant]

12 Episodes

Kang Soo-bin

Bully Student (Eps 2)

12 Episodes


Last Season

Season 1

2025 | 12 Episodes

Season 1 of Undercover High School premiered on February 21, 2025.

View All Seasons

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Status

Ended

Network

network

Type

Miniseries

Original Language

Korean

Keywords

undercover agent

romcom

romance

comforting

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