The terrorist organization “Argunbia" infiltrated Hong Kong and set off a battle for chemical weapons in Hong Kong. Fan Siu-fung (Moses Chan), the commander of the Special Duties Unit (SDU), was ordered to fight against the terrorists. The SDU are trapped in the ruthless killing of “Wakanbo”, leading to the Special Service Superintendent Chin Bok-man (Joe Ma) to assemble the police elites Cheung ...