Yes, Sir. Sorry, Sir!

Genres: Action & Adventure

Counries: Hong Kong

Companies: TVB

Seasons: 1 (30 episodes)

How hard can it be to go back to your old job? Law Yiu Wah (Moses Chan) was a teacher at a dangerous high school before he was forced to resign over a peeping Tom controversy. Wah becomes a police officer but then is asked to go back to his old high school to investigate a triad drug network at the school.