Teach You a Lesson Plot Summary
In this Korean drama, classrooms have become battlegrounds. Bullying goes unchecked, some students act without consequence, and teachers who try to hold the line get little support from parents, administrators or the law. A new kind of state official steps into that gap: an inspector attached to a special bureau created to defend teachers and the right to a proper education. This is no ordinary school visitor with a clipboard. The inspector arrives with official permission to step in directly, including by force when words fail, and to bend the usual rules to confront students who terrorise their peers.
This setup turns each troubled school into a stage for confrontation. The inspector faces aggressive young offenders, defensive parents and the wider political machinery that shapes education policy. The series blends hard-hitting action with dark comedy and uses its provocative premise as social commentary. It asks what respect in schools should look like and how far anyone should go to fight a system that seems to have stopped working.
Teach You a Lesson Review: What Makes It Notable
- Source material: The series is adapted from a Korean webtoon (manhwa).
- Cast: Kim Moo-yul plays Na Hwa-jin, Lee Sung-min plays Choi Kang-seok, Jin Ki-joo plays Im Han-rim and P.O plays Bong Geun-dae. The supporting cast includes Ahn Ha-young as Choi Ga-yun, Kim Jong-soo as Hwang Gi-tae, Lee Bong-joon as Cho Gyu-cheol and Lee Yeo-jin as the Anchor.
- Behind the camera: Hong Jong-chan directs. Chae Yong-taek and Han Ga-ram created the series, and Lee Nam-kyu, Moon Jong-ho and Kim Da-hee wrote the scripts.
- Network: It is a Netflix series from South Korea, in Korean.
- Format: There is one season of 10 episodes, each running about 70 minutes. The series has ended, so the full story is available.
- Genre and rating: It mixes action and adventure, drama and comedy. It is rated TV-MA in the US.
Who Will Enjoy It
- Viewers who like school dramas that tackle bullying and school violence head-on
- Fans of action-driven K-dramas with a vigilante, fight-the-system edge
- Anyone who enjoys social commentary delivered with dark humour
- Readers of Korean webtoons curious to see a manhwa adapted for the screen
- Viewers who want a complete, binge-friendly 10-episode series
Where to Watch Teach You a Lesson in the US
In the United States, Teach You a Lesson streams officially on Netflix. You need a subscription. Netflix’s ad-free plans and the lower-priced Netflix Standard with Ads plan both include the series. It is not available to watch for free on any official platform in the US.
Trailer
Cast
Kim Moo-yulas Na Hwa-jin10 episodesSee credits →
Lee Sung-minas Choi Kang-seok10 episodes
Jin Ki-jooas Im Han-rim10 episodes
P.Oas Bong Geun-dae10 episodes
Ahn Ha-youngas Choi Ga-yun9 episodesSee credits →
Kim Jong-sooas Hwang Gi-tae9 episodes
Lee Bong-joonas Cho Gyu-cheol9 episodes
Lee Yeo-jinas Anchor7 episodes
Photo: TMDB
Episode guide
| Season | Episode | Original air date | |
|---|---|---|---|
| 1 | 1 | Aired | |
| 1 | 2 | Aired | |
| 1 | 3 | Aired | |
| 1 | 4 | Aired | |
| 1 | 5 | Aired | |
| 1 | 6 | Aired | |
| 1 | 7 | Aired | |
| 1 | 8 | Aired | |
| 1 | 9 | Aired | |
| 1 | 10 | Aired |
Dates are original broadcast dates in the country of origin (Korea/China). Official streaming platforms in your country may add episodes the same day or later.
FAQ
- How many episodes does Teach You a Lesson have?
- Teach You a Lesson has one season of 10 episodes. Each episode runs about 70 minutes, and the series has ended.
- Where can I watch Teach You a Lesson legally in the US?
- It streams on Netflix with a subscription. This includes the Netflix Standard with Ads plan.
- Who is in the cast of Teach You a Lesson?
- The main cast includes Kim Moo-yul as Na Hwa-jin, Lee Sung-min as Choi Kang-seok, Jin Ki-joo as Im Han-rim and P.O as Bong Geun-dae. Ahn Ha-young, Kim Jong-soo, Lee Bong-joon and Lee Yeo-jin also appear.
- When was Teach You a Lesson released?
- Teach You a Lesson premiered on Netflix on June 5, 2026.
- What genre is Teach You a Lesson, and is it based on a webtoon?
- It is a Korean action drama with comedy elements and social commentary about school violence and education. It is adapted from a Korean webtoon (manhwa).
THE DAYS
The Early Spring
The First Frost
The Lament of Autumn
The Prisoner of Beauty
The Scandal