The legend of King Arthur, this time, from the perspective of the King's Wizard, Merlin. Merlin is a creature born of pagan magic, living in a world converting to Christianity. Merlin is beside Arthur as he gains Excalibur, builds Camelot and is betrayed by his wife, Guinevere. Merlin and Arthur are both menaced by the plots of Morgan Le Fey and Mordred, her son by Arthur, and their cohorts. Through it all, Merlin tries to keep Arthur from the destructive path set by fate.