Teach You a Lesson

Season 1

2026 · 10 episodes · 10h 36m in all · 8.4/10

The National Assembly and the Minister of Education passes the Amendment to the Act on the Protection of Teachers' Rights. With the passage of the law, a new government organization, the Educational Rights Protection Bureau, is formed. Na Hwa-jin belongs to the Educational Rights Protection Bureau. He is sent to a problem school as a supervisor. There, he can educate the students without any restrictions or limitations.

Episodes

1. 

   1. Episode 1

   5 Jun 2026 · 52 min · 8.0/10

   Inspector Na Hwa-jin steps into the chaos and takes control of a school plagued by the spoiled son of a powerful politician — to teach him a lesson.

2. 

   2. Episode 2

   5 Jun 2026 · 57 min · 8.0/10

   With unassuming Bong Geun-dae on his side, Hwa-jin uses his special ops skills to handle a school gang and defend a student who just wants to study.

3. 

   3. Episode 3

   5 Jun 2026 · 72 min · 8.5/10

   When a teen influencer spreads false claims about her teachers, the team's loose-cannon Inspector Im Han-rim steps in to set the record straight.

4. 

   4. Episode 4

   5 Jun 2026 · 68 min · 8.6/10

   Choi Gang-seok weathers a political attack on his bureau. Hwa-jin's team visits an elite school to uncover why a student attacked a respected teacher.

5. 

   5. Episode 5

   5 Jun 2026 · 66 min · 8.7/10

   When an elementary school teacher's spirit wears down under pressure, Hwa-jin steps in to be her substitute — turning the tables to solve the case.

6. 

   6. Episode 6

   5 Jun 2026 · 69 min · 8.8/10

   Four juvenile delinquents think they're above the law — until the team takes an interest in their extracurricular crimes and gives a harsh reality check.

7. 

   7. Episode 7

   5 Jun 2026 · 64 min · 8.6/10

   Geun-dae goes undercover to help a father find his gambling addict son. To undermine the bureau politically, Hwang Gi-tae visits a juvenile inmate.

8. 

   8. Episode 8

   5 Jun 2026 · 60 min · 8.4/10

   After a pre-med student collapses in class, Hwa-jin investigates his obsessive mother, whose access to illicit pills hints at a larger conspiracy.

9. 

   9. Episode 9

   5 Jun 2026 · 67 min · 8.3/10

   To help a student escape his exploitative friends, Han-rim adopts a new persona to join his circle. Cho Gyu-cheol's return puts the bureau in danger.

10. 

    10. Episode 10

    5 Jun 2026 · 61 min · 8.0/10

    After public backlash hits the bureau, Hwa-jin and his team go rogue to expose a deadly conspiracy led by a violent student-run gang.