Two centuries ago, a terrible cataclysm ravaged the world and ended the domination of the colonial empire of Atlantis. On the edge of the Thule Mountains stands Æsir, a citadel of stone and ice, which defies the elements and shelters the last Atlantean lineage. But now, menacing hordes are coming at their gates. Alderic, the brilliant guardian of the peaks, and Viviana, the commander’s young daughter, suddenly see their hopes swept away by a wind of death...