Leslie Cheung stars in this thrilling cat-and-mouse actioner as Rick, a gun enthusiast whose sharp-shooting skills are well known among the police. So when someone begins killing one cop every day in cold blood, Inspector Miu (Alex Fong) immediately suspects Rick. Enraged by the arrest of his girlfriend as bait, Rick challenges Miu to a double tap shooting game, where only one man will survive.

Outside the courthouse, the key witness of a famous trial and six cops are assassinated. Each is hit twice at the same spot in the head. Miu Knows Rick is back. Several years ago in a shooting contest, Rick and Miu knew they were borne to be the sworn enemies. Two top gunners now face their final battle. This is the gunfight of all gunfights.