In the medieval city of Paris, fifteen-year-old Princess Gisele bears witness to her father's efforts to negotiate a peace treaty with the Viking warlord, Rolf.

A villain who is known throughout the land by his fierce battlefield alias, Rollo. It is only after the negotiations have concluded that she learns her fate—to become the warlord's wife.

Is his young wife, Gisele, the ally Rolf needs to meet these challenges? Can she adapt to her role as wife of this strange and violent man?