Jarl Dragon Heart leaves the Isle of Man to go raiding. Beset by enemies both Viking and Saxon he has to rely on the Ulfheonar and his own skills to see him through the crisis. A harsh winter in the land of Rheged brings him face to face with his old enemy, the Wolf. All the while he is learning about his own ancestor, the Warlord of Rheged. The treachery of other Vikings who try to carve out kingdoms has Dragon Heart caught in the middle of their machinations. The novel concludes with a thrilling raid into the heart of Mercia where treachery nearly ends the life of the enigmatic Dragon Heart.