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.
The Viking army begins to gather in Kattegat. Lagertha must remain vigilant in the absence of her son, Bjorn.
Ragnar and Ivar plot against the Saxons and reach a new level of understanding.
Lagertha attempts to fulfill a long-held ambition. Ragnar negotiates an unexpected concession from King Ecbert.
Reid must return to Whitechapel to covertly re-investigate a case made by Drake and Jackson.
