In a world where once majestic flying cities existed, humanity now resides on the ground after a catastrophic event. Despite this, the desire for flight remains strong as people navigate the skies with aircraft. The story follows Sheeta, a young girl abducted by the government agent Muska on an airship. When the air pirate Captain Dola attacks, Sheeta seizes the chance to flee. By a stroke of luck and magic, she encounters Pazu, a young boy who becomes her ally. Together, they realize that Sheeta's amulet holds the secret to locating Laputa, a legendary flying castle of immense power. Determined to unlock its mysteries before malevolent forces, the duo embarks on a quest to uncover Laputa's secrets and safeguard it from those who seek to exploit its powers.