The last time Momo saw her father they had a fight, and now all she has left to remember him by is an incomplete letter that he had started to write her, a blank piece of paper penned with the words "Dear Momo, " but nothing more. Moving with her mother from bustling Tokyo to the remote Japanese island of Shio, she soon discovers three goblins living in her attic, a trio of mischievous spirit creatures who have been assigned to watch over her. The...