Kim Moo-yul
Na Hwa-jin
Teach You a Lesson Season 1 Episode 5 (2026)
"LET US PROTECT YOU!"
94%
User
Score
Score
Overview
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.
Top Billed Cast
Videos
![Behind the Scene [ENG SUB]](https://i.ytimg.com/vi/JrZBgVD3DDs/hqdefault.jpg)
Behind the Scene [ENG SUB]
![Official Trailer [ENG SUB]](https://i.ytimg.com/vi/LdezlX84py0/hqdefault.jpg)
Official Trailer [ENG SUB]
![Official Teaser [ENG SUB]](https://i.ytimg.com/vi/eaoy7O0SCn0/hqdefault.jpg)
Official Teaser [ENG SUB]