"得(dé )赌神毕生绝(jué )技(jì )的刀(dāo )仔（刘德华）在龙五（向华强）的陪同下重出江湖，代表师父以赌技致力慈善(shàn )事业，人称赌侠。遇(yù )到欲(yù )拜(bài )赌神为师号称赌圣(shèng )的阿星（周星驰）后，两人互展(zhǎn )计谋绝技，打成(chéng )平手。