TV-MASeason 1
Let us protect you!
Synopsis
Teach You a Lesson (참교육, 2026), Season 1 is a Korean action-comedy you can watch online on iFILM — ten episodes about unconventional inspectors sent in when respect collapses inside schools.
The man at the center is Na Hwa-jin, a former special-ops operative who walks into the chaos and takes a classroom by the collar. His first target is the spoiled son of a powerful politician; from there the cases pile up — a school gang, a teen influencer smearing her teachers, an elite academy where a student attacked a respected mentor. The quiet Bong Geun-dae and hot-headed Inspector Im Han-rim back him up. The deeper the team digs, the clearer it gets: childish stunts hide an adult conspiracy, and someone upstairs wants the bureau shut down.
The ten episodes run as a chain of standalone cases that fold into one thread by the end. It works because it aims at real pressure points of school life and refuses to soften them. Stream Teach You a Lesson Season 1 online on iFILM.
10 episodes
S1·E1Episode 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.
S1·E2Episode 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.
S1·E3Episode 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.
S1·E4Episode 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.
S1·E5Episode 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.
S1·E6Episode 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.
S1·E7Episode 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.
S1·E8Episode 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.
S1·E9Episode 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.
S1·E10Episode 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.
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