In Floki’s colony, Floki urges Eyvind to not seek revenge for Bul’s death, offering to make him lawgiver, in exchange for not starting a blood feud.
When Thorgrim is found dead, Floki proposes that he be sacrificed to the gods. In Kattegat, Margrethe meets the Seer and reveals her ambitions to become queen.
The Seer calls her mad and predicts that she will never be queen of Kattegat. The army of Lagertha faces those of Ivar and Harald. As they do battle, Hvitserk remembers Ivar accusing him of regret for his defection. Hvitserk faces Ubbe on the battlefield, but Ubbe is unable to hurt his brother.
Hvitserk kills Guthrum, while Svase and Snaefrid are killed by Harald’s warriors. Astrid finds Lagertha and asks her to kill her, fearing her pregnancy. Lagertha reluctantly complies. Harald kills his brother Halfdan. As Ivar orders the Frankish reserves onto the field, Lagertha and Bjorn retreat.
As Bjorn prepares to leave Kattegat, he finds Lagertha broken with her hair turned white. Across the fjord, Rollo arrives.