Set on an island off the coast of New England in the summer of 1965, tells the story of two twelve-year-olds who fall in love, make a secret pact, and run away together into the wilderness. As various authorities try to hunt them down, a violent storm is brewing off-shore, and the peaceful island community is turned upside down in more ways than anyone can handle.

When all the canine pets of Megasaki City are exiled to a vast Trash Island, 12-year-old Atari Kobayashi embarks on an epic journey in search of his bodyguard-dog, Spots.