Harald makes a risky move and falls into the hands of the Pechenegs. Olaf sets out to find Jomsborg and stumbles upon an unlikely source of help.

Leif says a painful goodbye. Harald's new love is not what she seems. A key battle comes to an end, but the war to rule over Norway is just beginning.

Freydis confronts Erik over his schemes to make her stay, Canute declares a successor and Harald devises an escape plan.

Emma prepares to defend the throne. Magnus and Harald vie to be King of Norway. Unbeknownst to each other, Leif and Freydis both return to Kattegat.