"得赌神毕生绝(jué )技(jì )的刀仔（刘德华）在龙五（向华(huá )强）的陪同(tóng )下重出江(jiāng )湖，代(dài )表(biǎo )师(shī )父以赌技致力慈善(shàn )事业，人称赌侠。遇(yù )到欲拜赌神为师号称赌圣的阿星（周(zhōu )星(xīng )驰）后，两人互展(zhǎn )计谋绝技，打成平手。