
Teach You a Lesson
A cathartic narrative centered around the Educational Rights Protection Bureau—an institution established with the bold mission of delivering true lesson to students, teachers, and parents who dare to cross the line. Operating even beyond the limits of law, this team stops at nothing to restore order within the school.
- 2026-2026
- 1 season
- Netflix
- Action & Adventure, Drama
- TV-MA
A cathartic narrative centered around the Educational Rights Protection Bureau—an institution established with the bold mission of delivering true lesson to students, teachers, and parents who dare to cross the line. Operating even beyond the limits of law, this team stops at nothing to restore order within the school.
Season 1 Episode Guide
10 Episodes 2026
Episode 1
Episode #1.1
Fri, Jun 5, 2026 52 mins
In a society where school violence has spiraled out of control and faculty authority has completely eroded, the government establishes the Educational Rights Protection Bureau (ERPB). Episode 1 introduces the enigmatic and ruthless field supervisor Na Hwa-jin, a former special forces captain who is deployed to a high school completely lawless and terrorized by a vicious school bully. Sheltered by the immense political power of his wealthy father, the young tyrant operates with absolute impunity-until Hwa-jin steps into the classroom to deliver a brutal, state-sanctioned reality check.
Episode 2
Episode #1.2
Fri, Jun 5, 2026 57 mins
Following his explosive intervention at the lawless high school, Inspector Na Hwa-jin expands his operations to dismantle a brutal, organized school gang that has been terrorizing ordinary students. This time, he is joined by the tech-savvy and uniquely quirky investigator Bong Geun-dae, whose unassuming, nerdy demeanor hides a sharp mind. Together, they fiercely intervene to protect an isolated student who simply wants to study in peace but has become the target of relentless extortion and violence. Utilizing his lethal special forces background and state-sanctioned immunity, Hwa-jin shifts into high gear to teach the self-proclaimed teenage gangsters that no one is above the law.
Episode 3
Episode #1.3
Fri, Jun 5, 2026 72 mins
The Educational Rights Protection Bureau (ERPB) faces a highly sensitive modern crisis when a popular teenage social media influencer weaponizes her massive online following by spreading malicious, fabricated claims of abuse against her high school teachers. With public outrage reaching a boiling point and the school system paralyzed by internet-driven cancel culture, the bureau deploys its premier female field supervisor, the fierce and unpredictable "loose cannon" Inspector Im Han-rim. Stepping onto the school grounds, Han-rim employs her unique brand of uncompromising justice to pierce through digital deception, protect the falsely accused educators, and deliver a harsh reality check to the teenage manipulator.
Episode 4
Episode #1.4
Fri, Jun 5, 2026 68 mins
As the Educational Rights Protection Bureau (ERPB) weathers an intense political attack engineered by its powerful detractors, Bureau Chief Choi Gang-seok fights to shield the organization from public backlash. Meanwhile, Na Hwa-jin, Im Han-rim, and Bong Geun-dae launch a high-stakes investigation into Chukmyeong Foreign Language High School-a prestigious elite academy. The team works to uncover the dark truths behind a shocking incident where a top-performing student brutally attacked a highly respected teacher. Peeling back the school's pristine facade, they discover a toxic pressure cooker of academic corruption and systematic entitlement that tests the bureau's controversial methods like never before.
Episode 5
Episode #1.5
Fri, Jun 5, 2026 66 mins
The Educational Rights Protection Bureau (ERPB) faces a disturbing new challenge when a severe case of teacher assault and psychological torment occurs inside an elementary school classroom. Dispatched to investigate, Inspector Na Hwa-jin goes undercover as a substitute teacher. He quickly realizes that the classroom of young children is operating like a lawless micro-society, fueled by toxic parental entitlement and systemic institutional neglect. To restore order and protect the broken educators, Hwa-jin must adapt his ruthless, unconventional tactics to fit a younger environment-proving that accountability has no age limit.
Episode 6
Episode #1.6
Fri, Jun 5, 2026 69 mins
The Educational Rights Protection Bureau (ERPB) tackles one of the school system's most infuriating loopholes: juvenile offenders exploiting their legal protection under the age of criminal responsibility. A vicious four-member gang of 13-year-olds, led by the ruthless Min Ji-woong, terrorizes their middle school with absolute impunity, committing grand theft and weaponizing a vulnerable classmate, Oh Yoon-jin, to distribute illicit drugs across campus. Realizing that the standard police system is legally paralyzed, Inspector Na Hwa-jin and his team intervene to deliver a brutal, legally-clever counter-strategy-proving to these arrogant teenagers and their enabling parents that being a minor does not grant absolute immunity from justice.
Episode 7
Episode #1.7
Fri, Jun 5, 2026 64 mins
The Educational Rights Protection Bureau (ERPB) balances a dangerous personal mission with escalating political warfare. When a desperate father begs the bureau for help, the quirky yet brilliant investigator Bong Geun-dae goes undercover on a high-stakes mission to track down and rescue a high school student who has vanished into a predatory, student-run illegal gambling ring. Meanwhile, the bureau's fiercest political adversary, Hwang Gi-tae, strategically visits a violent juvenile inmate, scheming to weaponize past controversies and dismantle the ERPB's legal authority once and for all.
Episode 8
Episode #1.8
Fri, Jun 5, 2026 60 mins
When a highly stressed pre-med student suddenly collapses during a high-stakes class, Inspector Na Hwa-jin launches a deep investigation into the student's personal life. He quickly uncovers a dark web of toxic academic pressure spun by an obsessive, overbearing mother. As the team digs deeper, they discover that her relentless drive to push her son into medical school involves illegal access to illicit, dangerous prescription pills-hinting at a much larger and more dangerous corporate conspiracy operating right inside the school system.
Episode 9
Episode #1.9
Fri, Jun 5, 2026 67 mins
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.
Episode 10
Episode #1.10
Fri, Jun 5, 2026 61 mins
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.