《古惑仔4之战无不胜（粤语版）》是由刘伟强执导，郑伊健,,陈小春,,李嘉欣,,莫文蔚,,万梓良,,林晓峰,,朱永棠,,谢天华,,吴君如,,黄秋生,,张耀扬,,林尚义,,尹扬明,,李兆基,,张文慈,,梁焯满,主演的动作片。该电影于1997年在香港上映。黑社会洪兴社的屯门区话事人恐龙被东星社的耀扬杀害后，龙头蒋天养（万梓良）决定从山鸡（陈小春）和生蕃中选出一个填补该空缺，铜锣湾的话事人浩南（郑伊健）深知该职的压力，力劝山鸡放弃与人争权夺位，但苦劝无效。生蕃为打压山鸡，勾结耀扬设下诡计，令山鸡好友大天二死于非命。另一方面，屯门区某中学教师欣欣（李嘉欣）一向反感黑社会，但在结识浩南后，对黑社会的以往印象有所改变，更在短短时间内对浩南产生倾慕之情，两人发生一夜情。然而因为生活于两个完全不同的世界，加上浩南始终无法对前女友（黎姿）忘情，他们的感情注定只能是无疾而终。古惑仔4战无不胜粤语
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