Lam, a middle-aged cop on the verge of retirement, is asked by his sister to find his nephew, Buffalo, a suitable wife, but Buffalo already has designs on an escort, who becomes the target of a drug smuggling syndicate after she witnesses a murder.

Two cops, code name penguin and polar bear, are ordered to assist a visiting policeman from Borneo (Lo Raimy). When their incompetence results in Raimy's death during a gun battle with drug traffickers, they are temporarily suspended. Penguin and Polar Bear decide to make amends by joining with Lo's wife to find the killers.