Aveline Jones loves reading ghost stories, so a dreary half-term becomes much more exciting when she discovers a spooky old book. Not only are the stories spine-tingling, but the book once belonged to Primrose Penberthy, who vanished mysteriously, never to be seen again. Intrigued, Aveline decides to investigate Primrose's disappearance.

Now someone... or something, is stirring. And it is looking for Aveline.