<p>Rick（张国荣饰）是个顶级射击手，自第一次参加IPSC实战枪击比赛起，已连获数届冠军，Rick的拿手好戏是double tap，即在最短时间内打出两枪，弹孔在同一点上。Rick还是个改良枪支的专家，经他改良后，枪的性能可发挥到最高点。
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&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;苗志舜督查（方中信饰）同样是个射击好手，这一次，两人在IPSC比赛中各显身手，不相上下。附加赛中，一名炒股失败的警察突然精神失常，持枪威胁人群，危急关头，Rick果断地将其一枪击毙。
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&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;枪杀他人给Rick带来了严重的心理负担，睡不着觉、头疼，甚至产生幻觉等症状让他寝食难安，而更可怖的是，心魔已经产生，他竟从杀人中获得了无与伦比的快感，任凭他如何努力摆脱，似乎依旧徒然……</p>
