Koo Ping-Kit

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.

A team of cops has the mission to protect a witness from being killed. After several killing attempts, the cops will realize how dangerous is the duty they have been assigned to.

Foreign - Tony is a wily, pessimistic scam artist who uses an ancient superstition to build a hilariously enterprising business. Lam is his sometime business cohort and Chan is the kind-hearted boy next door who falls victim to Tony's tricks.