AD 865. The fierce Vikings stormed onto Saxon soil hungry for spoils, conquest, and vengeance for the death of Ragnar Lothbrok. Hundr, a Northman with a dog's name...a crew of battle hardened warriors...and Ivar the Boneless. Amidst the invasion of Saxon England by the sons of Ragnar Lothbrok, Hundr joins a crew of Viking warriors under the command of Einar the Brawler. Hundr fights to forge a warriors reputation under the glare of Ivar and his equally fearsome brothers, but to do that he must battle the Saxons and treachery from within the Viking army itself...

When Charlemagne the Holy Roman Emperor declares war on the pagans of Denmark, Pomerania and the Baltic lands, he is unaware of the true might of the storm he is about to unleash. Meanwhile, in a small fjord in the north of Norway, a young Norse warrior is about to embark on a journey that will take him far to the south, beyond the land of the Angles and the Franks.

989 AD. Alfred the Great’s dream of a united England has been forged by his daughter Aethelfaed and grandson, King Aethelstan. The Vikings have been expelled from York following the death of Erik Bloodaxe, and for two generations there has been peace between Saxon and Dane. A new Viking warlord Olaf Tryggvason seeks revenge for Bloodaxe's death and the slaughter that followed, and has set his sights on a fresh assault on England’s shores. With Skarde Wartooth they set sail for Saxon lands, hungry for glory, conquest and vengeance.

13th Century, Wales and England. To young Gruffyd, life has been unkind. Eking out a meagre living with his father, he has learned very quickly how to look after himself in the hostile borderlands. His father, an archer, has taught him well, and at 17 Gruffyd is a keen and able bowman. Young, loyal and skilled, it’s not long before Gruffyd finds himself following in his father’s footsteps, working as an archer in the bordering castle. But tragedy strikes when his lord commits a devastating deed, and Gruffyd is forced to make a life altering decision.

AD 916. In the Orkney Isles, a young woman flees her home to save the life of her unborn child. Eighteen years later, a witch foretells that evil from her past is reaching out again to threaten her son. Outlawed from his home in Iceland, Einar Unnsson is thrown on the mercy of his Uncle, the infamous Jarl Thorfinn 'Skull Cleaver' of Orkney. He joins forces with a Norse-Irish princess and a company of wolfskin-clad warriors to become a player in a deadly game for control of the Irish sea.