As Alfred the Great defends his kingdom from Norse invaders, Uhtred--born a Saxon but raised by Vikings--seeks to claim his ancestral birthright.
Cast:Alexander Dreymon , Eliza Butterworth , Arnas Fedaravicius , Mark Rowley , Emily Cox , James Northcote , Millie Brady , Timothy Innes , Cavan Clerkin , Ian Hart , Ewan Mitchell , David Dawson , Adrian Schiller , Harry McEntire , Jeppe Beck Laursen , Adrian Bouchet , Toby Regbo , Stefanie Martini
Ill omens and border raids make Uhtred extra vigilant at his northern outpost. King Sigtryggr is visited by his notorious brother Rognvaldr.
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.
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.
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.
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.
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.
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.
Armies converge in an epic, final showdown that determines the fate of a king's dream for England - and Uhtred's hope for securing his family's future.