Prince Aethelwulf finds himself subject to the Vikings’ battle master plan. Ecbert remains behind with a plan of his own.
The Viking army causes panic in the English countryside as King Ecbert and Aethelwulf plan the defense of the realm.
Ragnar’s plan comes to fruition. The Viking army lands on the coast of Northumbria.
The Viking army begins to gather in Kattegat. Lagertha must remain vigilant in the absence of her son, Bjorn.
Bjorn’s fleet sails onward and launches a surprise attack. Back in Kattegat, Lagertha continues in her quest for power.