"得(dé )赌神毕生绝技的刀仔（刘德华）在龙五（向(xiàng )华强）的陪同下重(chóng )出(chū )江湖，代表(biǎo )师父以(yǐ )赌技(jì )致力慈善事业，人称赌侠。遇到(dào )欲(yù )拜赌神为师(shī )号称赌圣的阿星（周星驰）后，两(liǎng )人互展计谋(móu )绝技，打成平手(shǒu )。