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IMDbPro

Eondeokeobeo Haiseukul

  • TV Series
  • 2025–
  • TV-14
  • 1h 10m
IMDb RATING
7.8/10
2.8K
YOUR RATING
POPULARITY
2,216
4
Seo Kang-joon in Eondeokeobeo Haiseukul (2025)
Undercover High School Teaser
Play trailer0:44
1 Video
42 Photos
ActionComedyThriller

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 ... Read allAce 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.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.

  • Stars
    • Seo Kang-joon
    • Jin Ki-joo
    • Kim Min-ju
  • See production info at IMDbPro
  • IMDb RATING
    7.8/10
    2.8K
    YOUR RATING
    POPULARITY
    2,216
    4
    • Stars
      • Seo Kang-joon
      • Jin Ki-joo
      • Kim Min-ju
    • 28User reviews
    • 3Critic reviews
  • See production info at IMDbPro
  • Episodes12

    Browse episodes
    TopTop-rated1 season2025

    Videos1

    Undercover High School Teaser
    Trailer 0:44
    Undercover High School Teaser

    Photos41

    View Poster
    View Poster
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    + 38
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    Top cast16

    Edit
    Seo Kang-joon
    Seo Kang-joon
    • Jeong Hae-seong
    • 2025
    Jin Ki-joo
    Jin Ki-joo
    • Oh Soo-ah
    • 2025
    Kim Min-ju
    • Lee Ye-na
    • 2025
    Kim Shin-rock
    Kim Shin-rock
    • Seo Myeong-joo
    • 2025
    Lee Seo-hwan
    Lee Seo-hwan
    • Kim Hyeong-bae
    • 2025
    Park Jin-woo
    • Park Jae-moon
    • 2025
    Jeon Bae-soo
    Jeon Bae-soo
    • Ahn Seok-ho
    • 2025
    Kim Young-ah
    Kim Young-ah
    • Soo-ah's Mother
    • 2025
    Park Se-hyun
    Park Se-hyun
    • Ahn Yoo-jeong
    • 2025
    Jo Bok-rae
    Jo Bok-rae
    • Go Young-hoon
    • 2025
    Lee Min-ji
    • Kim Ri-an
    • 2025
    Yoon Ga-yi
    • Park Mi-jeong
    • 2025
    Shin Joon-hang
    • Lee Dong-min
    • 2025
    Lee Hyun-so
    • Han Seung-jae
    • 2025
    Oh Yong
    • Head teacher
    • 2025
    Seo-young Lee
    • Park Minji
    • 2025
    • All cast & crew
    • Production, box office & more at IMDbPro

    User reviews28

    7.82.8K
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    Featured reviews

    5jhnkyv

    Starts ok but ends bad

    Halfway through, we found ourselves just waiting for the show to finally be over. It felt like a waste of time, but I'm the kind of person who needs to finish what I've started, even if I'm not enjoying it. The acting was average at best-nothing special or memorable.

    There was far too much unnecessary drama, the supposed comedy didn't land at all, and the ending was painfully predictable. We honestly don't understand how this show has such high ratings. Maybe it's appealing to people who haven't seen many shows before or are watching a Korean drama for the first time.

    So save your time or do not expect too much!! Don't believe the hype!!
    10sunyya

    loving, living, and laughing this show & seo kang joon fr <333

    I'm so so sad that this show is j 12 eps, it deserves 20 eps. I finished this show a week ago and i already have the urge to rewatch it again.

    The story line, the dialogues and delivering chaotic energy in such a non-cringe and natural way i loveeed it istg. So so so good. I love chaotic shows and the element of the NIS agent to this show j makes it sm hotter for me alr istg.

    I had actually never heard of seo kang joon before, but brothers and sisters i am already obessed w this man. He is so underrated i don't get why. His acting is so so so natural loved it. His character was so manly but pookie which is absolutely loved. What i love the most is eyes istg. The most beautiful eyes i have ever seen on a man to date, im not even kidding.

    Jin ki joo, i love her too. Her character was so cute, i wanted to keep her in my pocket literally. Even she herself as an actress phenomenal and again so underrated.

    The chemistry between jeong hae-seong and oh su-a was insane. Believe me when i tell you even their hands had chemistry.

    Love this show, lowkey wanna lose all my memories and watch this masterpiece again.
    8PennyReviews

    Good Enough

    Korean Drama '' Undercover High School '' is a school mystery thriller with a strong comedic element.

    The story is not that original, but the mystery is, and the comedy part was well handled, with enough funny scenes to lighten the mood. The mystery was also intriguing, it was well paced, and had smooth twists.

    The romance, on the other hand, could have been omitted, as it didn't really add anything to the plot, and was half baked in the end, as the drama opted to focus more on the mystery, thankfully, and not on the love story.

    Finally, the performances were all great by everyone in the cast.

    So, overall, eight out of ten.
    10yourseoulfully

    Kick buttowski

    In this era of K-dramas like "Squid Game" and "All of Us Are Dead," sometimes we just need a breather, don't we? "Undercover High School" serves that purpose beautifully. As the title suggests, it follows the story of an NIS agent who goes undercover. The series is action-packed, fun, spontaneous, and intense, while also sprinkling in humor and a touch of romance.

    The acting is top-tier, and the chemistry between the leads is captivating. It has been a while since we've had characters with such distinct antagonistic roles, making it interesting to watch the events unfold. My only complaint is that it was too short-only 12 episodes, oh my gosh! The drama struggled to focus on the couples, but I still craved and enjoyed their screen time together so much! Hae-song was literally born to play this role.

    It's definitely worth a watch, period. Thank you for taking the time to read this! I hope you enjoy the series and have a wonderful day!
    asia_0

    Fun and emotional adventure!

    It's been a while since a series hooked me this much. I've been eagerly waiting each week for new episodes and didn't feel disappointed even once.

    Great blend of different genres - action, adventure, comedy, romance and all of them so well written. Jin Ki-joo and Seo Kang-joon truly brought their characters to life and their chemistry is of the charts.

    There is many kdrama cliches in the story which I often find bothersome but they are so well introduced that felt very natural.

    The main story is fast paced and I wish there was more time to dive into some dinamics between characters or side stories but I guess it was impossible with 12 ep.

    Overall a must watch!

    Storyline

    Edit

    Did you know

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    • Trivia
      First acting role for lead male actor Seo Kang-Joon since he completed his compulsory military service on May 22, 2023.

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    Details

    Edit
    • Release date
      • February 21, 2025 (South Korea)
    • Country of origin
      • South Korea
    • Official sites
      • Kocowa (United States)
      • Naver (South Korea)
    • Language
      • Korean
    • Also known as
      • Undercover High School
    • Production companies
      • Neo Entertainment
      • Slingshot Studio
    • See more company credits at IMDbPro

    Tech specs

    Edit
    • Runtime
      1 hour 10 minutes
    • Color
      • Color

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