 Spoof of the Hong Kong Blockbuster Infernal Affairs, the film based of a bizarre and nonsense war between the police and the triads. Lek Sir send Keung, Yan and Fatty on undercover inside Sam s garage to get the evidence of any crime Sam has committed includes spitting on the street, bribing and get prostitutes, in order Lek can win the heart of Sam s wife Mary again. This film continues director Wong Jing s "Chasing girls" series since the trilogy of "Romancing Stars" in the 80s, Wong successfully re introduce his famous adoptions and nonsense humor in the new form in new generation.