Ragnar, gravely weakened by illness, returns to Kattegat, and his apparent demise ignites a fierce competition for leadership. Elsewhere, Lagertha finds herself embroiled in a dangerous game of power with Kalf, her shrewd former second-in-c…

While Ragnar and Floki persist in their disagreement, Rollo dedicates himself to winning the affection of his new wife, Princess Gisla, in Paris. Elsewhere, King Ecbert charges his son Aethelwulf with the mission of rescuing Queen Kwenthrit…

The true cost of Floki’s choices finally became clear to him. Rollo, in his solitude, discovered an unexpected kinship with Count Odo. And Bjorn faced a formidable adversary deep within the untamed lands.

For the winter holidays, King Aelle journeyed to Wessex, finding himself deeply troubled by the shifting dynamics within the royal families. The prospects for Rollo remained uncertain, poised precariously on a knife's edge.

A sense of treachery hangs heavy as those Odo trusts conspire against him. Ecbert pledges his support to Kwenthrith's cause in Mercia, and joy blossoms for Lagertha and Kalf with the news of a pregnancy, followed by the arrangement of a mar…

At the assembly in Kattegat, Ragnar announced a further raid upon Paris. Meanwhile, Ecbert, too, had a journey in mind, sending Aethelwulf and Alfred on a pilgrimage to Rome.

In England, King Ecbert’s true desires come to light as he schemes to seize the throne of Mercia. A substantial Viking force assaults Paris, yet will Rollo's defenses prove insurmountable? Elsewhere, Harbard, the enigmatic wanderer, returns…

The Vikings’ defeat casts a shadow over Ragnar’s leadership as they begin the arduous retreat downriver, abandoning their camp. Ragnar himself remains unreadable, his expression fixed, until he issues an order to beach the fleet against a s…

The Vikings' efforts culminated in a successful relaunch of their vessels, now within sight of Paris, carrying curious additions crafted by Floki. Meanwhile, Aethelwulf and Alfred finally reached Rome, where they were received with honors b…

The brutal clash between Viking and French forces narrowed to a single confrontation: Ragnar against Rollo. The result would determine not only the victor of the field, but the destiny of the two brothers themselves.

Ragnar arrived back in Kattegat and began to devise a course for Wessex, driven by a desire to atone for past failings. Elsewhere, Lagertha plotted a move for influence within the stronghold, while Bjorn prepared to realize a lifelong ambit…

The people of Kattegat murmured their disapproval to Ragnar, suggesting the gods had abandoned him as he strained to assemble his fleet for the journey to Wessex. It was Bjorn who now commanded attention, poised to realize a lifelong ambiti…

The wreckage of Ragnar’s fleet lies scattered along the Wessex coast, a grim testament to the storm's fury. Few have survived, leaving Ragnar and Ivar with a daunting choice. Rollo, reunited with his fellow Vikings, finds himself drawn to B…

Ragnar faces a trial of belief.

The course of Ragnar's destiny is set.

Bjorn’s ships pressed forward, launching a sudden assault. Meanwhile, in Kattegat, Lagertha persisted in her ambition for dominance.

A gathering of Viking forces commenced in Kattegat. Lagertha could not afford to relax her watch, her son Bjorn absent from her side.

Ragnar’s strategy unfolds. The Viking host touches down upon the shores of Northumbria.

A wave of terror swept through the English countryside as the Viking host descended. In the halls of their fortress, King Ecbert and Aethelwulf conferred, charting a course for the realm's defense against the encroaching invaders.

Prince Aethelwulf is now at the mercy of the Viking war leader’s strategy. Ecbert, meanwhile, stays behind, harboring a plan of his own.