With the guidance of Merlin the magician, Arthur Pendragon rises to fulfill his fate and unite the Britons around the Round Table of Camelot. As he brings together the Knights of the Round Table and attempts to hold the country as one, Arthur proves to be a flawed monarch facing dangerous trials. Love, the quest for the Holy Grail, and the survival of his nation are all threatened as dark forces work to tear Camelot apart.