In the frozen land of the Vikings, a grim reality unfolds as the undead menace continues to spread. The bite of the zombies denies the fallen warriors their rightful entrance to Valhalla, the sacred realm of honored warriors. The honor of dying in battle is tainted, and a chilling question hangs in the air: How can King Knut and his people survive this relentless onslaught? Should they hunker down and attempt to endure the harsh season, or should they muster their courage and face an enemy that refuses to die?