Reconstructs the history and conquests of the barbarian tribes, specifically the Vikings, Huns, Goths, and Mongols, through dramatic reenactments and interviews. Vikings sails with the Norsemen from Arabia to the New World, stopping off for a bit of pillaging along the way. Goths reveals why this once-fearsome people subjected themselves to Roman rule, only to rise up again at the battle of Adrianople. Mongols rides with Genghis Khan and his descendants...