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Undercover High School
Action & Adventure
Comedy
Drama
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.
Top 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 Hyun So
Han Seung-jae
Yun Chae-bin
Yun Chae-rin
Kim Sun-min
Ji Hyeon-jun
Episodes
1
The Emperor's Lost Gold
Feb 21, 2025
2
Spooky Stories
Feb 22, 2025
3
Ghost Story Riddles
Feb 28, 2025
4
Joining the Student Council
Mar 01, 2025
5
Student Council
Mar 07, 2025
6
Hye Seong's Father's Notebook
Mar 08, 2025
7
The 24th Anniversary of Byeongmun High School
Mar 14, 2025
8
The Plan for VIP Students
Mar 15, 2025
9
The Mathematics Teacher
Mar 21, 2025
10
Retribution
Mar 22, 2025
11
The Devastating Truth
Mar 28, 2025
12
Where The Stars Lead
Mar 29, 2025
