反黑组警长肥沙（林雪 饰），不慎丢失手eee。这件事非同小可，如果手枪被匪徒用去行凶，肥沙将大祸临头。PTU（警察机动部队）警官何文展（任达华 饰）出于义气，答应一定会在天亮之前寻回手枪，带几名手下开

aaaCount Anikoff, a Russian officer, challenges his best friend, Sergei, to a duel when he finds him