When Sarah and Skip's mom inherits and house and moves the family to a remote town in Maine for a fresh start, the pair is anything but pleased. What if there's nothing to do? What if they don't make friends? What if they can't play Pok mon GO? Then they see the mysterious island across the water from their new home--Ghost Island. Mom says she used to paddle out there and have all sorts of adventures. And when Sarah and Skip pick up a signal...