On the night Sigrid, a seventeen-year-old Norse slave, is to accompany her dead master on a fiery longship to Valhalla, the cruel Jarl Ragnar murders her mother. When two fishermen rescue her from her fate in the seas, grief-stricken Sigrid joins them on their mission to warn the Irish of the oncoming Viking raiders. As she continues her journey, her hatred for Jarl Ragnar grows and she secretly vows to destroy him. However, as her new friend Erik teaches her about his God, a surprising power begins to work inside her heart. Yet when Sigrid has the chance to seize vengeance, will sweet revenge or a foreign god free her from despair?