"得赌神毕生绝(jué )技的刀(dāo )仔（刘德华）在(zài )龙五（向华强）的陪同下重(chóng )出江湖，代表师父以赌技致力慈善(shàn )事业，人称赌侠。遇到(dào )欲拜(bài )赌神(shén )为师号称赌圣的阿星（周星驰(chí )）后，两人互展计(jì )谋绝(jué )技，打成平(píng )手。