Set in the Scottish Highlands, this story is about fairies, selkies and dolphins. Nine-year-old Morag befriends a stranded fairy in her garden and takes her along on a family holiday to Rosemarkie. Morag meets a strange mute boy on Chanonry Point, who turns out to be a selkie with a secret. They find the Brahan Seer's special stone, which King Grump of the goblins wants to steal. She is kidnapped by a Ghillie Dhu and is taken to the fairy hillock. Is Morag destined to be 'away with the fairies' forever?