"得(dé )赌神毕(bì )生绝技的刀仔（刘德(dé )华）在龙五（向华(huá )强）的陪同下重出(chū )江湖，代表师父以赌技致力慈善(shàn )事(shì )业，人称赌侠。遇到欲拜(bài )赌神为师(shī )号称赌圣的阿星（周星驰）后，两(liǎng )人互展(zhǎn )计谋绝技，打成(chéng )平(píng )手。