Undercover High School - Season 1 - Eps 3: Ghost Story Riddles
Hae-sung uncovers a crucial clue hidden within the old building, but Chairwoman Seo quickly learns its potential connection to the elusive gold bars. Sensing the connection, she keeps Hae-sung under close watch. Meanwhile, as Hae-sung delves deeper into the ghost stories surrounding the school, he finds himself caught in the escalating tension between Tae-soo and Dong-min, whose conflict ignites chaos throughout the school.
About Undercover High School
Title: Undercover High School
First Air Date: 2025-02-21
Last Air Date: 2025-03-29
Status: Ended
Rating: 8.3/10 (from 27 votes)
Language: KO
Seasons: 1
Total Episodes: 12
Network: MBC
Genres: Action & Adventure, Comedy, Drama
Production Companies: Unknown
Synopsis
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?
Cast
Seo Kang-joon
Jeong Hae-sung
Jin Ki-joo
Oh Su-ah
Kim Shin-rock
Seo Myung-ju
Kim Min-ju
Lee Ye-na
Yoon Ga-i
Park Mi-jung
Kim Young-ah
Im Chung-ha
Lee Hyeon-so
Han Seung-jae
Kim Seung Beom
Kim Ho Jin [Informant]
