His health failing and fearing for his legacy, Alfred sends Uhtred to confront a new threat: fierce Danish warrior Bloodhair and his sorceress, Skade.

A betrayal at Eoferwic sends Sigtryggr in search of aid, while Uhtred begs Aethelflaed for military support she cannot give. Edward meets a new ally.

Sent north by Alfred to ransom enslaved king Guthred, Beocca seeks help from Uhtred, who makes a new allegiance in his quest for vengeance.

Edward makes a kingly decision. Alfred lays plans for his son's future reign. Aethelwold faces a treacherous task. Uhtred and Brida search out a seer.

Edward offers a role to Stiorra that would restore her to power. Aethelhelm meets with a Saxon enemy. Uhtred has a long-overdue reckoning with Brida.

Caught between his scheming uncle Ælfric and pitiless Viking warlord Ubba, Uhtred goes on the run and seeks out Alfred, the man who would be king.

Uhtred allies himself with newly crowned Alfred, but his commitment to the nascent king jeopardizes his bond with Brida.

A message from Uhtred and the machinations of Skade exploit divisions among the Danes. His health failing, Alfred wrestles with Aethelwold's fate.

In the aftermath of the tragic battle for Eoferwic, Sigtryggr is forced to make a painful choice. Edward learns of Aethelhelm's intrigues in Mercia.

After a season of peace, Uhtred receives a mystical call to follow his fate. Erik makes a cunning request, and Beocca navigates matters of the heart.

Uhtred turns his attention to Aethelflaed's plight. Alfred forces Edward to face his duty. Ragnar's army marches but traitors emerge from within.

Ill omens and border raids make Uhtred extra-vigilant at his northern outpost. King Sigtryggr is visited by his notorious brother Rognvaldr.

The forces of Edward and Sigtryggr march toward battle as Uhtred races to reveal the truth of Aethelhelm's scheming and avert a ruinous war.

Uhtred receives news that Bebbanburg's defenses have been weakened by Scottish attacks and plans to seize his birthright, but Edward refuses to help.

Upon learning of Aethelhelm's location, Uhtred proposes an audacious attack to rescue Aelfwynn and restore his birthright — but Edward is cautious.

Edward marches his troops north while Uhtred recruits a small force to infiltrate Bebbanburg. King Constantin arrives to meet his new bride, Aelfwynn.

Abducted by a Viking warlord after his father is slain in battle, young Uhtred adopts the Norse way of life until tragedy befalls his new family.

King Alfred keeps Uhtred close with a tactical play, but Uhtred soon realizes he's been tricked. Meanwhile, a great battle looms over Wessex.

The stratagems of Abbot Eadred play on Guthred's weakness. Uhtred rallies the men of Cumbraland to march on Eoferwic, but faces a cruel betrayal.

Falling afoul of Alfred, Uhtred flees north to his brother, Ragnar. His eye on the throne, Aethelwold begins assembling an alliance to strike Wessex.

Bloodhair and Aethelwold try to coax Uhtred into their alliance against Alfred. Fearing for her life, Aethelflaed turns to Father Beocca for aid.

Uhtred risks returning to Wessex to fulfill his vow to Brida. As the royal wedding approaches, Aethelwold spreads discord from the shadows.

Eardwulf and his men pursue Uhtred's party as it flees through a countryside ravaged by disease. Tensions rise between Edward and the Mercians.

Rivals secretly advance competing successors upon the death of a Mercian ruler. Brida finds solace in the faith of her prisoner, Father Pyrlig.

Aethelhelm's subterfuge successfully foments war tensions between Edward and Sigtryggr, but his thugs make a crucial mistake in attacking a pilgrimage.