Oh, My Cops! (1983)

Buddy cops Porky (Kent Cheng) and Big Mouth (Wong Ching) are promoted to the anti-prostitution division after solving a robbery case. In their bid to crack down on a prostitution ring, the bumbling duo arrange for Margaret (Pat Ha) to go undercover as a hooker as part of their supposedly foolproof plan, which unfortunately and inevitably has to go wrong...