Teach You a Lesson

When respect collapses in schools, unconventional inspectors arrive to set things right — with sharp, no-nonsense lessons you won't find in textbooks.

Status: Tamat

Musim 1

1. 

   1. Episode 1

   2026-06-05 · 52 menit · ★ 8.5

   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.

   Tonton episode
2. 

   2. Episode 2

   2026-06-05 · 57 menit · ★ 8.0

   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.

   Tonton episode
3. 

   3. Episode 3

   2026-06-05 · 72 menit · ★ 8.5

   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.

   Tonton episode
4. 

   4. Episode 4

   2026-06-05 · 68 menit · ★ 8.0

   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.

   Tonton episode
5. 

   5. Episode 5

   2026-06-05 · 66 menit · ★ 8.0

   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.

   Tonton episode
6. 

   6. Episode 6

   2026-06-05 · 69 menit · ★ 10.0

   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.

   Tonton episode
7. 

   7. Episode 7

   2026-06-05 · 64 menit · ★ 8.5

   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.

   Tonton episode
8. 

   8. Episode 8

   2026-06-05 · 60 menit · ★ 10.0

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

   Tonton episode
9. 

   9. Episode 9

   2026-06-05 · 67 menit · ★ 8.0

   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.

   Tonton episode
10. 

    10. Episode 10

    2026-06-05 · 61 menit · ★ 10.0

    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.

    Tonton episode

• Kim Moo-yulNa Hwa-jin
• Lee Sung-minChoi Kang-seok
• Jin Ki-jooLim Han-lim
• Pyo Ji-hoonBong Geun-dae
• Song Young-gyuRyu Kwang-pil
• Kim Jong-sooHwang Ki-tae
• Lee Chan-yongKim Kyung-min
• Lee Tae-hwanJang Kwon-hyuk
• Ok Jin-ukCho In-Beom
• Kim Tae-YoungJeong Hyeon-min
• Lee Seung-gyuRyu Jun-hyung
• Jeong Soo-hyunPark Dae-seok
• So Yi-hanMale Student
• Lee Ji-haeSeo Jun-mo
• 유영은Kang Da-yeon
• Ahn Ha-youngChoi Ga-yoon