The Borrower Arrietty

This film tells the story of Arrietty, a young Borrower who lives under the floorboards of a typical household. She eventually befriends Sho, a human boy with a heart condition since birth who is living with his great aunt Sadako. When Sadako's maid Haru becomes suspicious of the floorboard's disturbance, Arrietty and her family must prove that the Borrowers do exist.