Before dying, King Edwynn entrusts Xcalibur to Prince Erwann’s care and tells him to hide in an underground lake. Upon his return, Erwann is turned into a statue by the demon Kwodahn in front of the very eyes of his daughter, the Princess Djana. Djana meets Herik, a young Shogi monk, who reveals Xcalibur’s hiding place to her. Understanding that only Xcalibur can overcome the evil sorcerer and save the kingdom, Djana decides to recover the Sword of Justice. But Kwodahn is determined to keep her from attaining her goal...