Basic Info

First Air: February 21, 2025

Rating: ⭐ 8.0/10 (46 votes)

Status: Ended

Seasons & Episodes

Seasons: 1

Episodes: 12

Last Episode

Name: Where The Stars Lead

Season: 1, Episode: 12

Air Date: 2025-03-29

Runtime: 68 min

Despite getting badly injured, Hae Seong manages to call Su A and his team. They conclude that the only evidence they can secure is the flash drive that contains the voice recording of Principal Park murdering Director Kim Hyung Bae. After finding out that an arrest warrant had been issued for her, Seo Myeong Ju decides to take a special measure to end everything.

Videos

[1차티저] 국정원 요원 서강준, 고등학교에 잠입한다!, MBC 250221 방송 (YouTube)

Undercover High School

2025 1 seasons 12 episodes ⭐ 8.0/10 46 votes

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?