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Teach You a Lesson

Teach You a Lesson

Season 1

2026

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.

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  • E1 · 52 min

    Episode 1

    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.

  • E2 · 57 min

    Episode 2

    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.

  • E3 · 72 min

    Episode 3

    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.

  • E4 · 68 min

    Episode 4

    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.

  • E5 · 66 min

    Episode 5

    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.

  • E6 · 69 min

    Episode 6

    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.

  • E7 · 64 min

    Episode 7

    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.

  • E8 · 60 min

    Episode 8

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

  • E9 · 67 min

    Episode 9

    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.

  • E10 · 61 min

    Episode 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.