Forbidden City Cop

An imperial agent gets ridiculed for his various inventions, until his supportive wife encourages him to attend a conference, which's actually a trap to kill all the doctors serving the emperor, where his crazy inventions come in handy.

Forbidden City Cop is a 1996 fantasy romance movie, starring Carina Lau, Carman Lee, Tat-Ming Cheung. It holds an IMDb rating of 6.9/10 from 5,161 votes and runs 1h 29m.