"得(dé )赌神毕(bì )生绝(jué )技的刀仔（刘德华）在龙(lóng )五（向华强）的陪同(tóng )下重出江湖，代表师父以赌技致力慈善(shàn )事业，人称赌侠(xiá )。遇(yù )到欲拜赌神为师号(hào )称赌圣的阿星（周星驰）后，两人互展计(jì )谋(móu )绝技，打(dǎ )成平手。