In Italy in the 1930s, sky pirates in biplanes terrorize wealthy cruise ships as they sail the Adriatic Sea. The only pilot brave enough to stop the scourge is the mysterious Porco Rosso, a former World War I flying ace who was somehow turned into a pig during the war. As he prepares to battle the pirate crew's American ace, Porco Rosso enlists the help of spunky girl mechanic Fio Piccolo and his longtime friend Madame Gina.

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.

A young witch, on her mandatory year of independent life, finds fitting into a new community difficult while she supports herself by running an air courier service.