The story follows Arion, a young man kidnapped by Hades as a child and raised to believe that his mother was blinded by Zeus and that killing the ruler of Mount Olympus will cure her.

After a global war, the seaside kingdom known as the Valley of the Wind remains one of the last strongholds on Earth untouched by a poisonous jungle and the powerful insects that guard it. Led by the courageous Princess Nausicaä, the people of the Valley engage in an epic struggle to restore the bond between humanity and Earth.