A young boy and a girl with a magic crystal must race against pirates and foreign agents in a search for a legendary floating castle.

In a countryside town bordering on a magical land, a young man makes a promise to his beloved that he'll retrieve a fallen star by venturing into the magical realm. His journey takes him into a world beyond his wildest dreams and reveals his true identity.

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 chaotic heist, Lupin and Jigen find themselves becoming caretakers of a baby boy, while a young sky pirate called Yutika is after their loot. Yutika is an inhabitant of the city-state of Shahalta, which has recently fallen to a shady minister. Soon, Lupin's gang and Yutika join forces to uncover one of Shahalta's greatest treasures, facing off against both Shahaltan authorities and Zenigata.

Mickey the mail pilot is entrusted with a chest of money. He battles rain and snow, but his biggest battle is against Pete, who has a plane equipped with a machine gun and a harpoon cannon. Mickey's plane quickly loses its wings and propeller to Pete's armaments, but he improvises a helicopter blade with a clothes-drying rack, then, when that gives way, a replacement prop from a windmill.