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.

Ninth film in the series titled The New Option, it once again stars Michael Wong as Stone Wong, an SDU captain who's a damn man at his job. Stone is a no-nonsense SDU trainer who must initiate young studs into their SDU world.

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.