"得赌神(shén )毕生绝技的刀仔（刘德(dé )华(huá )）在龙五（向华强）的陪同下重出江(jiāng )湖(hú )，代(dài )表师父以赌技致力慈善(shàn )事业，人称赌侠。遇到欲拜(bài )赌神为师(shī )号称赌圣的阿星（周(zhōu )星驰）后，两人互展(zhǎn )计谋绝技，打(dǎ )成平(píng )手。