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IMDbPro

Eondeokeobeo Haiseukul

  • TV Series
  • 2025–
  • TV-14
  • 1h 10m
IMDb RATING
7.8/10
2.6K
YOUR RATING
POPULARITY
2,067
150
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
    2.6K
    YOUR RATING
    POPULARITY
    2,067
    150
    • Stars
      • Seo Kang-joon
      • Jin Ki-joo
      • Kim Min-ju
    • 26User 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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    View Poster
    + 38
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    Top cast15

    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
    Jeon Bae-soo
    Jeon Bae-soo
    • Ahn Seok-ho
    • 2025
    Kim Young-ah
    Kim Young-ah
    • Soo-ah's Mother
    • 2025
    Lee Seo-hwan
    Lee Seo-hwan
    • Kim Hyeong-bae
    • 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
    Park Jin-woo
    • Park Jae-moon
    • 2025
    Yoon Ga-yi
    • Park Mi-jeong
    • 2025
    Lee Hyun-so
    • Han Seung-jae
    • 2025
    Shin Joon-hang
    • Lee Dong-min
    • 2025
    Oh Yong
    • Head teacher
    • 2025
    • All cast & crew
    • Production, box office & more at IMDbPro

    User reviews26

    7.82.5K
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    10

    Featured reviews

    10Squireljiu

    It's getting better and better

    Story: **** Cast: ***** Cinematography: ***** Fun: ***** (Five starts as full)

    I have just finished ep4. The pace is fast and the story is unfolding better and better. It wouldn't be a very thrilling detective story as the plot is kind of expected at the moment. But it's an "easy-going" drama with a mix of everything: fun, romance, thriller... School bullying is a frequent element appearing in kdrama, and this one has quite a good depiction. It will make you feel lighter after watching it, or it will make your eyes filling with tears.

    Plus Seo Kang Joon is my favourite actor so it's a must watch for myself!

    I will recommend it to you too!
    10pererachrishani

    This is super awesome 😎

    Seo kang jun, you are an amazing and cool actor. Really appreciate your way of acting and how you contributed as far as now. So excited to see you after your long break. Please continue your career again do not stop doing what you're good. Thank you for everyone and the director and the crew who chose these amazing characters. Best of luck for everyone. Agent Jeong Hae seong you are the best.

    Keep it up guys.

    Want to see you more and more in future.

    So excited for the next four episodes.

    Big shoutout to the other casting members Ms. Oh su ah please take care of our agent. You are the most supportive and suitable person for that.

    Thank you for making this drama. Wishing you all the very best.
    10PalmBeachG

    10 All Around!

    10 all around! Has suspense, mystery, action, romance, comedy and the cutest ML who is doing a great job playing an elite agent and undercover student in an elite high school. Finally, the FL is a match for the ML (cute and an equal, confident). Great job in casting.

    This series takes you on an emotional roller coaster as the ML also has his own secret mission - and that is to not fail his dad who was also an elite agent and has been missing for 20 years.

    Of course the high school does have some bullying and the way the ML handles it is heart warming - great script.

    One last note is that this drama is easy going and NOT too violent - very easy to watch but at the same time thrilling scenes.
    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!!
    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!

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    Storyline

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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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