"得(dé )赌神毕(bì )生(shēng )绝技(jì )的刀仔（刘德华）在(zài )龙五（向(xiàng )华(huá )强）的陪同下(xià )重出江湖，代表师父以赌技致力慈(cí )善事(shì )业，人称赌侠。遇到欲拜赌神(shén )为师号(hào )称赌圣的阿星（周星驰）后，两人互展计(jì )谋绝技，打成平手。