Exiled from Norway, Harald Sigurdsson, brother to murdered King Olaf, must battle mercilessly for survival in the lands of the Kievan Rus. His brother’s legacy gifts him a warband of hardened warriors and entry to the court of Prince Yaroslav the Wise. By his wits, sword and skill in battle, Harald must learn not just to survive but to triumph. He fights for glory, for fame, and to regain his family’s battle-stolen throne. But his greatest challenge may not come from battlefield foes but from those who stand by his side.

Norway, AD 958. The Northern realm is once again at war. The exiled sons of Erik Bloodaxe have returned with the help of the Danes and have slain King Hakon. They now come for Hakon's heir, Jarl Trygvi. Trygvi's wife, Astrid, and young son, Olaf, flee their home with the aid of their household warriors. Pursued by the Bloodaxe brood, the family escapes east, through the dark, forested land of the Swedes and across the treacherous East Sea.

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.

When his father is killed at Arsuf protecting King Richard, Thomas is knighted. His hopes of inheriting his family's manor are dashed when Prince John takes power in his brother's absence. With a handful of men, Sir Thomas is forced to travel to Sweden where he joins the Jarl Birger Brosa fighting the Estonians, Karelians and Slavs. Fighting in the harsh environment of a Baltic winter makes Sir Thomas and his men stronger. There he learns of further treachery and dishonour among Bishops, Kings and Princes who value thrones more than men.

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.