Freydis finds a new home. Harald formulates a daring new plan to take back Norway, but Leif's not on board. A new threat appears in London.

While preparing for a journey to Constantinople, Harald assembles an unlikely crew, each with their own motives. Emma suspects Godwin of treachery.

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.

Harald and Leif help Romanos lay siege at Syracuse. Canute travels to Rome to meet with the Pope. A new arrival in Jomsborg catches Freydis' eye.

Harald fights the Emir for control of Syracuse. Something causes the Jomsborg townsfolk to fall ill. Magnus Olafsson unexpectedly arrives in Kattegat.