A re-imagining of the Arthurian legend centered around Arthur's illegitimate son Owain who must learn to take up his father's mantle as king.

距离那场传说的卡姆兰战役已经过去19年了，亚瑟王已成传说，而那把代表着无限荣光的王者之剑也已经沉入了湖底，归还给了湖中仙女。可是世界并没有和平，总有不安定因素藏在暗处准备着发动一场战争。亚瑟王忠诚的骑士贝德维尔和大法师梅林一直在寻找能与黑暗势力对抗的命运之人。阴差阳错，他们找到了亚瑟王的私生子欧文，