Defeat for the Vikings calls Ragnar’s leadership into question as they evacuate their camp and move back down river. Ragnar remains inscrutable until he orders the fleet to beach at…

Ragnar declares another raid on Paris at the Thing in Kattegat. Ecbert also has a journey in mind as he dispatches Aethelwulf and Alfred on a pilgrimage to Rome.

There’s an air of betrayal as those whom Odo trusts plot against him. Ecbert agrees to support Kwenthrith in Mercia. Pregnancy brings happiness to Lagertha and Kalf and a marriage…

King Aelle goes to Wessex for Christmas and is not impressed with how family relations are developing. Rollo’s future hangs in the balance.

Floki learns of the heavy price he has paid for his actions. Rollo finds an unlikely ally in Count Odo. Bjorn has to fight a fierce opponent in the wilderness.

As Ragnar and Floki remain at odds, Rollo makes great efforts in Paris to win over his new bride, Princess Gisla. Meanwhile, King Ecbert sets the task for his son…

The Viking fleet causes panic in Paris. The Emperor Charles declares he will remain in the city.

King Ecbert visits the developing Viking settlement as the first harvest is sown.

There is bitterness in the camp, Floki is angry over the alliance with Ecbert.

Lagertha and Athelstan help to set up the Viking settlement. A mysterious wanderer turns up.

Ragnar and Lagertha’s fleets depart Kattegat once more for Wessex but this time they bring settlers.

Ragnar’s warriors march on to King Ecbert’s villa and are met with a surprisingly vicious welcome party.

Princess Aslaug’s latest prophecy comes to fruition as she readies to give birth once more; Ragnar and Horik have very different ideas about the true purpose of their trip to…