"得赌神毕生绝技的刀仔（刘德华）在龙五（向华强）的陪同下重(chóng )出(chū )江湖，代(dài )表(biǎo )师父以赌技致(zhì )力慈善事(shì )业，人称赌侠(xiá )。遇到(dào )欲拜(bài )赌神(shén )为师号称赌圣的阿星（周星(xīng )驰）后(hòu )，两人互展计谋绝(jué )技，打成平手。