"得赌神毕生绝技的刀仔（刘德华）在龙(lóng )五（向(xiàng )华强）的陪同下重(chóng )出(chū )江湖，代表师父以(yǐ )赌(dǔ )技致力慈善事(shì )业，人称赌侠。遇(yù )到(dào )欲拜赌神为师号称赌圣的阿星（周星(xīng )驰(chí )）后，两人互(hù )展计谋绝(jué )技，打成平(píng )手。