“Teach You a Lesson” is a 2026 Korean drama, 10 episodes, categorized as Action, High School, Youth, and Bullying, based on a webtoon, and streaming on Netflix.
- Memorable Quote: “People are people, politics is politics.” … “Teachers are teachers. … A teacher who is afraid of their student can’t be an effective teacher.”
SUMMARY: An ERPB inspector takes his job very seriously. He confronts violent students, corrupt educators, and political sabotage in a collapsing school system. Does he win the fight?
♦ When Discipline Fights Back
“Teach You a Lesson” is set in modern-day South Korea. Overwhelmed by rising school violence and collapsing teacher authority, the government establishes the Educational Rights Protection Bureau (ERPB). This is a controversial agency empowered to use physical force and psychological pressure to restore order in the schools. Because every child and every teacher should study and learn, teach and work, in a safe environment.
Na Hwa-Jin is a former Special Forces captain turned ERPB inspector. Na Hwa-Jin is stoic, hyper-competent, and unflinching in the face of corruption. His mission is simple but brutal: dismantle student-run hierarchies, confront abusive parents, and expose the systemic failures that allow violence to thrive. Each episode places him in a new school environment, where he must navigate political pressure, media scrutiny, and the moral ambiguity of his own methods.
MEET the Rest of the ERPB Team
Na Hwa-Jin’s team includes:
- Im Han-Rim, another ex Special Forces operative whose fiery personality and improvisational tactics often clash with Na Hwa-Jin’s controlled precision. Im Han-Rim’s episodes frequently explore the emotional toll of being both protector and enforcer, especially when confronting students who weaponize social media or manipulate public sympathy.
- Bong Geun-Dae, a KAIST educated civil servant whose intelligence and awkward charm provide both comic relief and surprising depth. Bong Geun-Dae’s undercover missions — including infiltrating gambling rings and student gangs — reveal the hidden networks of exploitation that operate beneath the surface of seemingly ordinary schools.
ERPB is aiming systemic rot: corrupt administrators, negligent parents, and students emboldened by privilege or despair. As the series progresses, political tensions escalate. Choi Gang-Seok, the Minister of Education and founder of the ERPB, faces mounting backlash from lawmakers who view the bureau as a dangerous overreach. Political adversaries work behind the scenes to dismantle the ERPB, mainly for their own political gain.
It’s Not Just One School
The Educational Rights Protection Bureau (ERPB) doesn’t just pick on or target one school. Although they did begin at Daehan High School because a teacher was murdered, and a student committed suicide. After that, the ERPB addressed problems at:
- Guun High-Tech High School
- Soyeon Girls’ High School
- Chukmyeong Foreign Language High School
- Hyeongjung Elementary School
- Hyeonjin Middle School
- Nakwon High School
Hard to believe they had to go to an elementary school. (It’s like they’re in America, where elementary school kids bring guns in their backpacks. Yeah! True story.)
Why Does the Violence Keep Recurring?
One recurring threat emerges in the form of a student with a violent past whose reappearance signals a deeper conspiracy. The student’s actions and activities tie into a larger criminal network that ultimately threatens the ERPB itself. There is a student-run gang orchestrating violence across multiple schools, manipulating vulnerable teens, and exploiting parental negligence.
The K-drama “Teach You a Lesson” poses several questions:
- Just because public opinion turns against you, does it mean the majority is RIGHT?
- Where does discipline end and abuse begin?
- Are the students the problem, OR the adults and institutions that failed them?
- Can justice be served in a broken system?
Main Characters:
- Na Hwa-Jin (played by Kim Moo-Yul, “Honest Candidate 1 and 2”, “My Beautiful Bride”, “Grid”, “The Old Woman With The Knife”, “The Roundup: Punishment”, “Space Sweepers”, “The Gangster, the Cop, the Devil”, “No Way Out: The Roulette”, “Queen Woo”, “Juvenile Justice”, “Trolley”, “Bad Guys: Vile City”, “Sweet Home 1, 2 and 3”)
- Choi Gang-Seok (played by Lee Sung-Min, “The Lucifer”, “Mr. Zoo: The Missing VIP”, “Handsome Guys”, “12.12: The Day”, “The Piper”, “Handsome Guys‘, “12.12: The Day”, “The Moon”, “Remember”, “Hunt, “A Bloody Lucky Day”, “Shadow Detective 1 and 2”, “Reborn Rich”, “Juvenile Justice”, “The Queen Who Crowns”, “The Unjust”; “The 8th Night”)
- Im Han-Rim (played by Jin Ki-Joo, “Midnight”, “Uncle Samsik”, “Undercover High School”, “My Perfect Stranger”, “Splash, Splash Love”)
- Bong Geun-Dae (played by Pyo Ji-Hoon, “Good Partner 1 and 2”, “Hotel Del Luna”)
♥ In Memory of Song Young Kyu. He passed away in August 2025, and “Teach You A Lesson” was his last project. View a list of all his Korean movies and drama series.
Viewership and Rating:
- IMDb: 8.5 out of 10 stars
- My Drama List: 8.5 out of 10 stars
My personal rating is 9 out of 10 stars.
“Teach You a Lesson” is based on the Naver Webtoon Get Schooled by Chae Yong taek and Han Ga ram. Who doesn’t love it when kids of corrupt politicians who are bullies AND the parents who are corrupt politicians BOTH get their comeuppance?
LINKS OF INTEREST:
7 KDramas To Watch In June 2026: Netflix, Disney Plus And Prime Video | Forbes
TRAILER/TEASER:
Netflix K-Content. “Teach You a Lesson.” YouTube, 19 May 2026, https://www.youtube.com/watch?v=LdezlX84py0.
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