Chau and Beethoven, two Hong Kong police detectives, go through misadventures to protect a young girl from a ruthless crime lord, as she possesses a ledger that contains all of the gangster's activities. In the mix is a tough, no-nonsense policewoman, who falls for one of the detectives. Written by Oliver Chu

Hong Kong detectives Chau and Beethoven return in this sequel to "Pom Pom." This time out, they join forces with their boss, Inspector Chan, to find the notorious Flying Spider, who is suspected of stealing government money Chan was responsible for. Meanwhile, Beethoven falls in love with Flying Spider's daughter, Mimi.

Hong Kong detectives Chau and Beethoven join forces with Mr. Boo in a daring mission involving a jewelry heist and a museum caper.

The Hong Kong detectives, Chau and Beethoven, are back once more. This time, their mission is to protect a young girl from a gang boss' henchmen, who are trying to eliminate her so she couldn't testify in court against their boss. Meanwhile, the plot thickens when a police medical report revealed that Chau apparently has cancer; therefore, Beethoven will see to it that his partner will have a well-deserved vacation in his remaining months.