Betrayed by Guthred and condemned to a life of slavery, Uhtred and Halig, along with fellow slave Finan, are forced to row endlessly on a trader ship.
Meanwhile, in order to gain their allegiance, Guthred welcomes Aelfric and the savage Dane brothers Erik and Sigefrid into Eoferwic,- a reward for dispatching Uhtred. But when a dispute in the terms threatens to jeopardise the agreement, Guthred offers Gisela as a peace offering. but will she comply?