A monkey king who learns the secrets of magic goes on a spree and causes no end of aggravation for the gods, who finally imprison him. In order to make up for all the trouble he's caused, he is sent on a mission to accompany a prince who is the son of the gods on a journey through a land filled with dangers, monsters, cannibals and demons.

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.