Teach You a Lesson

Teach You a Lesson (2026)★ 8.8/10

KR · June 5, 2026

  • Action
  • Drama

Directed by: Hong Jong-chan

Written by: Yong-Taek Chae, Ga-ram Han, Lee Nam-Gyoo, Jae Montanez, Moon Jong-ho

The collapse of teachers' Authority, the establishment of the Teachers' Authority Protection Bureau under the Ministry of Education, and the dispatch of supervisors to problem schools to punish students and parents who cross the line.

Directed by

Written by

Cast & crew

Kim Mu-yeolNa Hwa-jinLee Sung-minChoi Gang-seokJin Ki-jooIm Han-rimPyo Ji-hoonBong Geun-daeLee Bong-joonCho Gyu-cheolHa YoungChoi Ga-yunKim Jong-sooHwang Gi-taeYeo-Jin LeeAnchorBaek Ji-hyeGi-tae's AssistantKim Byeong-chunLee Cheol-myeonChoi Jae-supPrison Officer KangLee Ho-CheolReporter 1Seon-Hyo SongReporter 2Jin Shi-WonReporter 3Eun-hee KimReporter 4Jeon Bong-seokKim Hyeong-juYoo Tae-JooPark Seong-HwanPark Seo YoonHan Ye-riChoi Sol-HeeAssemblywomanJinwook OkCho In-beomLee Seo-hanSeo Beom-suYo Hoon JangMin Ji-ungLeem Hyun-mookYun Min-suYoon Tae-sikLee Du-hyeonChoi Hyun-joonChoi U-seongKim Kyun-HaKim Su-gyeomDo Geon-WuNa Jung-hwanKim Dong-ryulRed Name TagKim Jeong-hoonRed Name TagKim Hyeon-hoRed Name TagLee Won-junRed Name TagBae Sung-ilPrison WardenJang Min-junRed Name TagJeong Gyu-yeongRed Name TagPark Jin-suNewly Admitted InmateKim Da-hwiGeneral InmateKim Yeon-junGeneral InmatePark Eun-hoGeneral InmatePark Jae-beomGeneral InmateSeo Seung-jaeGeneral InmateJeong Myung-gunPrison Guard 1Yang Young-moonGeneral InmateOh Dae-yangGeneral InmateYoun-haGeneral InmateJang Seong-wonGeneral InmateHan Zi-hunGeneral InmateHong Sung-baeGeneral InmateLee Yeon-xinGeneral InmateLee Woo-JeJang Seong-guKim Jae SeonLee Chi-hoLee Seung NohJung Hyeon TaeChan-Yong LeeKim Gyeong-minBae Jae-youngLee Jae-yunLee Tae-hwanJang Kwon-hyukJeong Soo-hyunPark Dae-seokSong Si-anChoi Ji-seonJo Eun-SolShin Ji-suLee Sang-heeJung Seong-yeongSeo Young-heeHyeon-min's MotherPark Ji-yeonU-jin's MotherSeung Gyu LeeRyu Jun-hyeongKim Min-wooMimiminuJo Jun-hoJi Seong-binKim Do-geonKim Gwang-suKim Tae YoungJung Hyeon-minChoi Ja-woonKim U-jinJo Seok-hyeonJae-yun's FatherChoi Deok-moonCheon Sang-yeolKwon HyukKo Yeong-suA Chang EunDa-hui's MotherJang Hee JungLee Young-miJoon KangKim Hak-jaeShin Dong-junLee Jong-suLee Seo-wonJae-yun's MotherSong Young-kyuRyu Gwang-pilKang Ji-EunFemale PrincipalBae Jun-hyungPark Hyeon-ungKim Se-yeonJung So-yeongChun Myung-WooBlack SuitKim Seon-hwaSu-jeong's MotherKim Chan-hyungBossKwon Dong-hoU-jin's FatherEun-Seok KimPrincipal KimKim Chae-eunOh Yun-jinIll-hoGang Member 1Lee Jung-hwaMs. MinSim Su-binJung Su-jeongCho Yeon-jinYeon-jun's MotherJeon Kwang-jinHomeroom TeacherYoon Hyun-gilJi-seon's MotherSung No-JinPrincipalJeon YoungSeong-gu's MotherYang Ah-reumPark Su-jinChoi Jun-KyuGang Member 2Lee Ji-haeSeo-jun's MotherWoon-Young YoonTeacherLee HannuryFemale TeacherYoo Young-eun3-4 Female Student 1Wan-kyu ParkDae-seok´s FatherPark Ji WonChi-ho's MotherI-geonGang Member 3Jo Seo-yeonJo Da-huiKim Da-hwinAttorney YoonJi-Soon JeongMale Student 1Lee Dong HoPrivate TeacherLee Su-hoKang Seo-junLee Seo-yeon3-4 Female Student 2Seok-jun LeeHyeon-min's FatherChoi E-junSchoolboy 1Geun-Sang YooMale Student 2Geum A-yeon3-4 Female Student 3Lee Si-wooMiddle Schooler Hyeon-minLee Kwang-heeAutomobile Department 1Sung-Jae Kim2-5 Conforming StudentLee Geon-haSchoolboy 2Kim Ha-yeon3-4 Female Student 4Park Gwang-seoMale TeacherOh Tae-minSchoolboy 1Kim Eun-hoSchoolboy 3Kook-Jin ParkAutomobile Department 2A-Ran Shin2-5 Conforming StudentKim Mi-jinSoyeon Girls' High School Regular StudentJu Yi-junSchoolboy 2Jo Jae-YoungDetectiveJun-Woo ShinAutomobile Department 3Su-Yeon Lim2-5 Conforming StudentPark Si-HyunSchoolboy 4Kim Se-yeonSoyeon Girls' High School Regular StudentSon Sang-junSchoolboy 3Yoon Young-minPrivate Tutoring CoordinatorSo Yi-hanChukmyeong Foreign Language School Student 1Kim So-wanSoyeon Girls' High School Regular StudentSeok-Sang ParkAutomobile Department 4Kim Ye-rinSchoolgirl 1Dae-Geun Shin2-5 Bystander StudentSeong Yu-NaClassroom GamblerJae-Hyung AhnAutomobile Department 5Joung Yoon-ahSchoolgirl 2Lee Eun-hakChukmyeong Foreign Language School Student 2Ye-Eun Kim2-5 Bystander StudentShin Soo-jinSoyeon Girls' High School Regular StudentPark Chan-yongBathroom Gambling ManMin-Ah Bang2-5 Student 1Choi Yeon-hwaFemale Teacher 1Kang-Hyuk ChoAutomobile Department 6Lee Ah-hyunChukmyeong Foreign Language School Student 3Won Ha-kyungSoyeon Girls' High School Regular StudentKim Ju-hyunBongo Van Male StudentAhn Hye-jinFemale Teacher 2Song So-yeonChukmyeong Foreign Language School Student 4Jin-Woo JangAutomobile Department 7You Xae-jinSoyeon Girls' High School Regular StudentJeon Kyu-wonBongo Van Female Student 1Lee Ji-yeonClinical PsychologistGang Dong-yunChukmyeong Foreign Language School Student 5Se-Rim Jang2-5 Student 3Jo Ha-minSoyeon Girls' High School Regular StudentLee Seop-geonAutomobile Department Martial Arts 1Kim Eon JungSchool NurseOh Yu-jinBongo Van Female Student 2Goo Bon-jinPark Hyeon-ung's FatherAhn Do-zinJi-seon's BoyfriendYoung-Seok Lee2-5 Student 4Ju Eon-jiSoyeon Girls' High School Regular StudentKang Jae-mookAutomobile Department Martial Arts 2Seo Hye-minFemale TeacherChoi Young-minMinistry of Education Staff 1Kim Hyo-jinPark Hyeon-ung's MotherHan Da-heeSoyeon Girls' High School Regular StudentHwang In-HwanAutomobile Department Martial Arts 3Lee Jae-WoongSecurity GuardLee Jun-ryeolMale Student Accepted into UniversityHoi-Chang Kim2-5 Student 6Park Gang ToMinistry of Education Staff 2Jeong Seo-yeonKo Yeong-su's WifePark Jun-wooAutomobile Department Martial Arts 4Ha-Ye Lee2-5 Student 7Park Kwan WooHan-rim Past Male Student 1Lee Ha-youngMinistry of Education Staff 3Seo Yun-jinKo Yeong-su's DaughterYoon Jae-minAutomobile Department Martial Arts 5Son Da-yeonHan-rim Past Female Student 1Bo-Mi Ha2-5 Student 8So-Hyun HanBank TellerHam Jae-hyunElectrical Department 1Lee Sun-wooKo Yeong-su's SonKim Sung-yongBank Branch ManagerPark YongPrincipalSun-Je Kim2-5 Student 9Jo Hyo-eunHan-rim Past Female Student 2Park Woo-YoungElectrical Department 2Lee Si-youngMs. Jung's FriendKim Tae YooInstitute StaffLee Eun-jooProsecutorAh-Jin Yoo2-5 Student 10Lee Jae-YongElectrical Department 3Kim Soo-yeongStudent's Parent 1Dong-Woo Gu2-5 Student 11Seo Dong-hyeonMale Teacher 1Seo Ji-hanElectrical Department 4So-Yun Jang2-5 Student 12Lee Do-eunStudent's Parent 2Lee Dong-giElectrical Department 5Park Bo-baeFemale Teacher 1Han Sun-aeStudent's Parent 3Seung-Bu Kim2-5 Student 13Lee Do-GoonWrecker 1Kim Han YeongElectrical Department 6Yoo Ji-hyukPublic ProsecutorRi-No JeongStudent in Another ClassHwang Woo-juElectrical Department 7Park Se KiLawyerKim Yun-chanPrincipalSeong-Ho BaeStudent in Another ClassCho Yu-JinJi-ung's MotherChoi Seong-junElectrical Department 8Lee Sae-ro-miJudgeKyoung-Hwa KwakFemale Teacher 1Sean ChoDetectiveYeo Min-gooMin-su's FatherKo Jun-hyeongElectrical Department 9Lee So-geumDetective 1Ji-yong JangDu-hyeon's FatherChan ChoiMale Teacher 1Lim Jae-minElectrical Department Martial Arts 1Ye-Ji EomVice ChairpersonSeung-Hyun ParkDetective 2In Hye YooU-seong's MotherKim Seo-pilElectrical Department Martial Arts 2Kim Se-joongPrison Guard 2Eom Ji-manHead of the Women and Youth DivisiononChoi In-sunSubstitute TeacherOk Il-jaeProsecution OfficialYang Min-juSoyeon Girls' High School JuniorIm Da-binElectrical Department Martial Arts 3Chan Woong AhnDetective of the Women and Youth DivisionIl-Hyun KimRyu Gwang-pil's AideHan Ki-JangLawyerJeong Ho-wonSmoking Student 1Bae HwanElectrical Department Martial Arts 4Lee Hyung JooHomeroom TeacherSung HwaJun-hyeong's MotherSeung-jin LeeTeacher 1Kim Byung-takSmoking Student 2Seo Eun-chongElectrical Department Martial Arts 5Byun Yoon-JeongHyeong-ju's MotherYeon-Ae JiGwang-su's MotherSeo Kwang JaeChairpersonOh Dong-jinMale StudentSeo Jeong-minMale Student from Hyeonjin Middle School 1Eungyeong ChuHak-jae's MotherJang So-mangFemale TeacherOh Min-wookMale Student from Hyeonjin Middle School 2Shin Yu-HwanMZ Gangster 1Lim Jin-sungMale Student from Hyeonjin Middle School 3Ryu Han-jongMZ Gangster 2Kim Yu-binFemale Student from Hyeonjin Middle School 1Ki Seong-gyuMZ Gangster 3Lee Ye-jinFemale Student from Hyeonjin Middle School 2Jang Doo-kyungMZ Gangster 4Mo Yoon-heeFemale Student from Hyeonjin Middle School 3Kim Dae-geunMZ Gangster 5Min-Seung KangReporter in Principal's Office 1Jang Pil-sangTeacherSu-Yeon KwonReporter in Principal's Office 2Yoo Young-binMZ Gangster 6Oh Joo-sukJinwon High School Security GuardNa Kyung ChulReporterJeong Jong-jinMZ Gangster 7Kim Seong-gukMZ Gangster 8Sim Gyeong-boMZ Gangster 9Jin Hee-gyuMZ Gangster 10Kim Beom-changMZ Gangster 11Jeon Young-woongMZ Gangster 12Park Chae-yiMiss 1Jang Eun-youngMiss 2Joo Hyun-jiMiss 3Lee Han-biMiss 4Hwang Chae-eunMiss 5Im Beom-suDetention Center Student 1Park Sung-hoonDetention Center Student 2Lee Jung-hyunDetention Center Student 3Ryu Jae-hyukDetention Center Student 4Kim Da-yunBookstore EmployeePark Jae-HwiAthleteJeon Seung HunSeo Tae HunLee Ga-yeonHam Yu RiHa Na RiTeacherUhm Ju YoonLee Ji HyoMoon Dong HoSeo Jin HyeokNa-gyeong BaekStudentKwan Jang KimJinwon high school parentKo Kwang DokTeacherJung Jong-yulCommittee chairmanKim Min-sukParole examiner