Si hing jong gwai

Look Out, Officer! is a 1990 Hong Kong comedy film starring Stephen Chow as Hsing, a rookie police officer tasked with finding the killer of his murdered colleague, Piao (Bill Tung Biu). As part of his deal, Piao's spirit must help Hsing get a girlfriend and a promotion. The film follows Hsing's misadventures as he navigates the world of police work, dealing with cases involving drug trafficking and, in a bizarre twist, a ghost.