The legend of Hereward

It is the reign of William the Conqueror, a king determined to hold on to his rich new kingdom with an iron fist. It is not long before his greedy eyes stray to wealthy religious buildings in his land, but the Abbey of Ely, almost hidden in the flooded mysterious Fens, finds itself an unlikely champion in the brave but unpredictable Hereward. Yet who was this Hereward whose resistance to the Norman invaders soon leads to murder, deceit, robbery, rebellion and finally open war?