In the world called Earthsea, the balance of the world was destroyed and various catastrophes occurred. One of the greatest magicians begins his long journey to investigate the cause of these events. During his journey, he befriended an exiled prince named Arren and traveled together. Along the way, when they encounter a sorcerer seeking eternal life who will destroy the balance of the world, will they be able to face that sorcerer? It remains to be seen and felt whether the balance of the world can be restored