Jarl Dragon Heart and his special sword prove to be magnets for every young warrior who wishes to make a name for himself. After three assassination attempts the Viking goes to Wessex where he helps Egbert, the King of Wessex fight off an invasion from Mercia backed by Danes from Jorvik. A fast moving book which moves from the Jorvik to London and back concluding in a cataclysmic battle back in the Isles of Man.