Tsui escapes from a super soldier project and plans to lead a peaceful life. However, when his former comrades go on a violent crime spree, he takes it upon himself to end their reign of terror.
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.
Two punks, driving to work at a mall, accidentally hit a man who had drunk a soda laced with a chemical that turns people into zombies.
