"得赌神毕生(shēng )绝技的刀仔（刘德(dé )华）在龙五（向华强）的陪同下重(chóng )出(chū )江湖，代(dài )表师父(fù )以赌技致力慈善(shàn )事(shì )业(yè )，人称赌侠。遇到欲拜(bài )赌神为师号称赌圣的阿星（周(zhōu )星驰）后，两人互(hù )展计(jì )谋(móu )绝技，打成平手。