Complete story — includes the ending
Ragnar asks warriors to accompany him to England; however they refuse and say the gods have deserted him. Ragnar talks to Bjorn about his plan to sail past France, and Bjorn says he will seek diplomacy with Rollo. Sigurd chides Ivar that their mother and brothers pity him. Harald and Halfdan arrive to sail with Bjorn. Bjorn notes Harald's conquest of Rogaland, but Harald assures him that he cannot overthrow Ragnar. Lagertha arrives and agrees with Aslaug to perform a sacrifice to the gods for their sons. She later tells Aslaug she cannot forgive her for taking Ragnar. Ragnar digs up old treasure, and bribes some older warriors to sail with him to England. Ragnar meets Aslaug and thanks her for letting their sons love him. Aslaug has a vision of Ivar drowning and warns him he will die if he goes to England; however, Ivar goes anyway. Bjorn, Hvisterk, Floki, and Harald set sail for the Mediterranean. Ragnar and Ivar sail for England, but their ships capsize in a violent storm.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, Vikings season 4. HTML formatting and reference markers removed. · Content license