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.

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...

Anno Domini 1040. Christianity has swept unstoppably across Scandinavia, leaving few enclaves of the old ways clinging on to their fading world as King Olof of Sweden works to convert his people. A young warrior, Halfdan, has witnessed the ‘mercy' of the Christian lords, watched his people attacked, his village burned and the Odin stone toppled as heretical. Watched his father cut down by an ambitious Christian jarl and his zealous priest. Among the ashes of his world, he vowed an oath of vengeance before all the gods.

771AD, Northern Europe. Bjarki Bloodhand and Tor Hildarsdottir are journeying south into Saxony. Their destination is the Irminsul, the One Tree that links the Nine Worlds of the Middle-Realm. In this most holy place, they hope to learn how to summon their animal spirits so they can enter the ranks of the legendary berserkir: the elite frenzied fighters of the North.

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.

For centuries, the Vikings have swept out of the Norse countries and fallen on whatever lands they could reach aboard their longships, and few could resist the power of their violent onslaught. They came at first to plunder and then to settle, an encroachment fiercely resisted wherever they went. Such was the case in the southern lands of Ireland. En route to the Viking longphort there, known as Dubh-linn, Thorgrim Night Wolf and Ornolf the Restless stumble across an Irish ship.

Norway, AD 785. It began with the betrayal of a lord by a king.... King Gorm puts Jarl Harald's family to the sword but makes one fatal mistake - he fails to kill Harald's youngest son, Sigurd. His kin slain, his village seized and its people taken as slaves, Sigurd wonders if the gods have forsaken him. Hunted by powerful men, he is unsure who to trust, and yet he has a small band of loyal followers at his side.

A young Saxon boy and his mother are captured in a Viking raid. Fate transforms his destiny and, thanks to an ageing one-armed warrior, he wins his freedom and becomes one with the Vikings. Clan rivalries force Dragonheart and his new Jarl to sail the seas searching for a new home. Landing on the Isle of Man, they must fight for their very survival with enemies old and new seeking their destruction.

Beobrand is compelled by his brother's almost-certain murder to embark on a quest for revenge in the war-ravaged kingdoms of Northumbria. The land is rife with danger, as warlords vie for supremacy and dominion. In the battles for control of the region, new oaths are made and broken, and loyalties are tested to the limits. With no patronage and no experience, Beobrand must form his own allegiances and learn to fight with sword and shield. Relentless in pursuit of his enemies, he faces challenges which transform him from a boy to a man.

Erik and his family are Norse who live on the island of Orkneyjar. Their world is thrown upside down when the King of Norway colludes with their jarl to take over their home. They flee to the land north of Mercia. Hoping for a life free from the tyranny of a King, they have to fight Danes and Saxons. When King Harald of Norway sends ships to destroy them, the Clan of the Fox is forced to flee to the newly discovered land of ice and fire. They travel beyond sight of land into an uncharted ocean to face a future which is uncertain.