Teach You a Lesson

• 

  1. Episode 1

  52m

  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. Episode 2

  57m

  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. Episode 3

  72m

  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. Episode 4

  68m

  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. Episode 5

  66m

  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. Episode 6

  69m

  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. Episode 7

  64m

  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. Episode 8

  60m

  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. Episode 9

  67m

  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. Episode 10

  61m

  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.

Cast

Kim Moo-yul

Na Hwa-jin

Lee Sung-min

Choi Kang-seok

Jin Ki-joo

Im Han-rim

Pyo Ji-hoon

Bong Geun-dae

Kim Jong-soo

Hwang Gi-tae

Ahn Ha-young

Choi Ga-yun

Lee Bong-joon

Cho Gyu-cheol