852 A.D. For centuries, the Vikings have swept out of the Norse countries and fallen on England, Ireland, whatever lands they could reach aboard their longships, and few could resist the power of their violent onslaught. They came at first to plunder, and then to settle, an encroachment fiercely resisted where ever they went. Such was the case in the southern lands of Ireland. En route to the Viking longphort there, known as Dubh-Linn, Thorgrim Night Wolf and Ornolf the Restless stumble across an Irish ship that carries aboard it a single item - a crown. The Vikings eagerly snatch the prize,...