Vikings returns for a gripping fourth series. Series 3 culminated with the extraordinary battle in Paris, where Ragnar seized victory from the jaws of defeat–but still returns to Kattegat dangerously ill. Thoughts of his death galvanize the forces who seek to succeed him as king, including his wife Queen Aslaug and his oldest son, Bjorn. Meanwhile, Lagertha continues power struggles with her calculating, former second in command, Kalf; Rollo betrays his Vikings heritage by remaining in Frankia and Floki is seized for his brutal actions to the Christian priest Athelstan.
Joining the stellar cast this season is Peter Franzén as King Harold Finehair, a complex character who seeks to be King of Norway and a potential threat to Ragnar; Jasper Pääkkönen as Halfdan The Black, King Harold’s violent younger brother; and Dianne Doan as Yidu a completely different character within the world of the Vikings who fascinates Ragnar.
Ragnar Lothbrok is a restless warrior and family man who longs to find and conquer new lands across the sea and claim the spoils as his own. Now he is King, with more power than ever before, his desire to explore new kingdoms remains unquenchable. Ragnar feels a deep affinity with the Norse God Odin. This powerful deity is the god of warriors slain in battle and is also the god of curiosity.
Lagertha is the first wife of Ragnar Lothbrok. She is an Earl, a strong shield-maiden and a force to be reckoned with. She fights in the shield-wall alongside the men. She is independent and strong-willed both in protecting her family and accompanying Ragnar on some of his dangerous and daring raids.
Rollo, Ragnar’s brother, is impulsive, wild, care-free and compulsive. Rollo is a fierce fighter who is often overshadowed by his brother. The relationship between Rollo and Ragnar is intense and always unpredictable. Ragnar can never be certain of his brother’s loyalty, but is always extremely grateful to receive it, for Rollo is a formidable warrior.
Once a devout monk living a peaceful and humble life, Athelstan is spared by Ragnar after his monastery is pillaged by the Vikings. Although Ragnar initially took Athelstan captive as a slave, he treats him well and has befriended him. As he lives amongst the Vikings, Athelstan learns that their culture is shockingly different from the Christian religion, from their attitude to their gods, to sex, and to sacrifice.
Bjorn Lothbrok is the son of Ragnar and Lagertha and the oldest of Ragnar’s many sons. Intelligent and determined, Bjorn loves and admires his father above all men. Following in Ragnar’s footsteps, Bjorn desires to test himself as a fighter as well as an explorer. After fighting in battle without receiving one wound or scratch, he garnered the famous nickname “Bjorn Ironsides.”
The great ruler of the vast lands of the old Holy Roman Empire, Emperor Charlemagne, left his three grandsons in charge after his death. They divided the empire into three, and Charles took the Western part, with its centre in the ancient Roman city of Paris. Charles is a complex, troubled man, who is now confronted by the biggest challenge of his life: the appearance of a huge Viking fleet sailing up the Seine to attack the city. Only by defeating this great Pagan army can Charles live up to his heritage, and overcome his deepest fears.
Floki is a genius ship builder and he designs and builds the prototype of the new generation of Viking ships which can sail across the open ocean but also up the shallowest of rivers. Without Floki, Ragnar would have never been able to fulfill his dreams of discovering new lands and new civilizations. A close and loyal friend of Ragnar’s, Floki is an entertaining yet dangerous jester.
A wanderer who turns up unexpectedly in Kattagat when Ragnar and most of the men of the town are away raiding in England. Harbard will have a profound affect on three of our principal female characters, Siggy, Helga and Queen Aslaug, all of whom have had the same dream, presaging his arrival. Harbard turns out to have healing powers, and the women wonder if he is really a god in disguise. Certainly his visit to the town has huge and catastrophic results.
A young, handsome Scandinavian man who lives in Hedeby and has made himself indispensable to the local earl, Earl Ingstad – otherwise known as Lagertha. She is fond of him and trusts him to look after her affairs when she is away. But it’s possible that her trust is misplaced and that Kalf is more ambitious and calculating than he appears.
King Ecbert is the ruler of Wessex, the largest of the five kingdoms in England with big plans to make it even larger. Unlike King Aelle of Northumbria, Ecbert is a sophisticated visionary, well versed in court life. Ecbert has always anticipated that he must someday face the Vikings and is prepared with strategies as to how they can be used to his advantage.
Slave girl turned shield maiden, Porunn caught Bjorn’s eye when he returned to Kattegat as a young man. She is granted her freedom by Aslaug and makes the choice to model herself after Bjorn's mother, the famous shield maiden Lagertha. Porunn will not be tamed by any man and Bjorn must learn to accept this before Porunn can accept his love.
The daughter of Emperor Charles and a beautiful, young woman of considerable courage and resolution. She refuses to leave Paris in its hour of need, and takes a deep, personal interest in the survival and morale of its citizens. She is who persuades the defenders to adopt the Oriflamme, the sacred banner of St. Denis, as their spiritual and national emblem. However, she is still a woman and therefore remains at the mercy of the powerful and calculating men around her.
Aslaug is the clever and beautiful daughter of the famed dragon slayer Sigurd and shield-maiden Brunhilde. Aslaug promised Ragnar that she would provide him with the sons which the ancient Seer prophesized for him – and she delivered.
Siggy is the shrewd widow of Earl Haraldson. After her husband was defeated and killed by Ragnar, Siggy is hired by Lagertha and serves his family. Siggy has lost her husband, all of her children and her authority in Kattegat but has not lost her desire for power.
Ragnar and Lagertha’s fleets depart Kattegat once more for Wessex and this time they bring a group to colonize there. King Ecbert hosts the Norsemen and proposes a deal. Despite the misgivings of some of the other leaders, Ragnar leads his forces into battle once more, but this time as allies of Wessex.
Lagertha & Athelstan help to establish the Viking settlement in Wessex. Harbard, a mysterious wanderer, arrives in Kattegat, realizing the forewarned dreams of Aslaug, Siggy and Helga.
King Ecbert visits the developing Viking settlement as the first harvest is sown and rebuffs criticism from his leading nobles. The Wessex/Viking forces charge into battle with Mercia. In Kattegat, Harbard arrives in to the Great Hall and his mysterious aura fascinates Aslaug and Helga but Siggy remains suspicious.There are strange and tragic happenings in Kattegat and Siggy suspects Harbard is the cause.
The victorious Wessex/Viking forces return to Wessex but there is rancour in the Viking camp - Floki is angry over the alliance with Ecbert and is resentful the influence that he feels Athelstan has over Ragnar. Princess Kwenthrith makes some calculating political moves following the battle at the Hill of the Ash in Mercia. Visitors from the past arrive in Hederby, at Kalf’s invitation.
The fleet returns to Kattegat to find tragic circumstances await. Lagertha learns that her Earldom has been usurped and convinces Ragnar to travel to Hederby with her in an effort to reclaim her title. Ragnar causes great surprise when he announces the next raid. The Seer has interesting prophecies for Rollo.
Preparations for the Paris raid pick up pace, and Rollo ponders the Seer’s prophecy about his destiny. Ragnar is informed of Aethelwulf’s massacre at the settlement in Wessex, and Kalf arrives in Kattegat with some new allies and some familiar faces. Porunn and Judith both deliver children; but with new life there is also death.
The appearance of the Viking fleet causes panic among the population of Paris. The defence of Paris is in the hands of its Commander, Count Odo, who is confident that the city is prepared for the attack. The Emperor Charles, urged by his daughter Gisla, announces in Court he will remain in the city. The Vikings establish camp downriver from the city and plan their attack.
The Viking army embarks and Paris goes into lockdown as the army prepares the defence, overseen by Count Odo. The Vikings are determined to make it through the gates of Paris and conquer the city; they will stop at nothing to succeed.
The Vikings go all out for a second assault on Paris. Recognizing the desperate state of affairs for his city, Emperor Charles must make a difficult decision. In Wessex, Judith is compelled to make a difficult decision of her own.
Rollo’s destiny is recognised and Bjorn steps up as a leader. With one last chance to take Paris, Ragnar and his Vikings troops take a daring chance.
Episode 1: A Good Treason
Entry to Valhalla eludes Ragnar but as he lies in his sick bed in Kattegat events unfold beyond his control. Bjorn orders the arrest of Floki for Athelstan's murder while in Paris, Rollo betrays the last of his Viking supporters to strengthen his position in the French Court. Meanwhile, in Hedeby, Kalf announces joint Earldom with Lagertha, but is power-sharing Kalf's true intention and is Lagertha actually willing to share what once was hers?
Episode 2: Kill the Queen
As Ragnar and Floki remain at odds in Kattegat, Rollo makes great efforts in Paris to win over his new bride, Princess Gisla. Bjorn's survival skills are put to the test in the wilderness, while King Ecbert sets the task for his son Aethelwulf to rescue Queen Kwenthrith from opposing forces in Mercia.