A gangster's son is accidentally killed during a drunken dispute with a rival gang, and Officer Milo's task force is assigned to the case. He soon learns that a hitman has been hired to take out the rival gang leader. While Milo and his crew desperately try to find and stop the hired gun, fearing all-out war in the streets, Lai Fu, a smart but inexperienced killer from a small town in the mainland, arrives in Hong Kong to do his job.
Rick Pang, an IPSC champion who is also a gun expert who tinkers with his pistols to perfect his technique known as 'double tap' which is the terminology where a shooter can place two exact shots in the same spot to maximize marksmanship.
Faced with early retirement and difficulty recruiting, Stone is forced to lower his standard of acceptance. When a vicious, military-trained group of criminals commit a chain of big-time robberies, the Flying Tigers are called into action once again.
