Spring came to Ireland, where Thorgrim Nightwolf, called Lord Vik-Lo, and three hundred Viking warriors under his command suffered that cruel winter. He had achieved a lot during the months of cold and rain, but the patience of his warriors was already at its limit, and anger and disappointment threatened to split the crews of his ships... During this difficult time for the entire crew, a local Irish lord comes to them and proposes a plan to unite the Irish and Norwegians in joint raid. But soon this idea will become the cause of terrible massacre and betrayal...