Norway, A. D. 785: The Viking clan led by Jarl Harald faces a new storm of swords. The tough fighters go into battle for their king Gorm: dragon boat against dragon boat. But the treacherous king lures Harald and his men into a deadly trap. Their village is destroyed, women and children slaughtered or given into slavery. Only a few escape, including Sigurd, Harald's youngest son. From then on, Sigurd devotes his life to revenge. Hunted by the king's henchmen, he gathers a brotherhood of fierce warriors around him: mercy on anyone who stands in their path of vengeance ...