Lucifer and his gangsters dress their minibus to resemble a police vehicle, and pose as policemen for a robbery. Police Officer Tsui sensed "criminal intent." Without police orders, he investigates these gangsters. At the robbery the gangsters engage in a gunfight against the real criminals, who kill randomly. Lucifer and his men are infuriated. They may wear police costumes and use toy guns, but their passion is real. Sensing their righteous passion, Tsui decides to side with the impostors and their 16-passenger EU vehicle. Lucifer and his men re-discover the bond they felt when they used to battle together. Finally, Tsui, Lucifer and the gang defeat the criminals, showing Tsui that anyone can be a hero, and righteousness resides within us all.