Cette série d'aventures transporte les jeunes lecteurs dans un mystérieux domaine de Cornouailles, chargé de secrets cachés. Suite à une perte inattendue, une jeune protagoniste se retrouve dans un nouveau foyer, découvrant le passé à travers de vieux documents et photographies. Elle est aidée par un allié inhabituel : l'esprit d'un chien qui garde un ancien hall. Ensemble, ils plongent dans un monde de magie, d'histoire et de découvertes surprenantes, parfait pour ceux qui aiment les mystères captivants.
As soon as she moves to Penhallow Place, Polly can't wait to unravel its mysteries. One night, she sleepwalks outside and wakes to find her hand on the stone statue of a dog. The dog introduces himself as Rex, an Irish Wolfhound, who lived at Penhallow many hundreds of years earlier. And he is not the only resident ghost...
Polly and Rex find a new dog to wake - a toy dog that belonged to two evacuee children. But to their surprise it seems this dog doesn't want to be woken!
Polly and Rex wake a little terrier down in the old stable block, only for the dog to run off and lead them to a coded note hidden in a hollow tree. Can they unravel the mystery of the dog's young master - and his highwayman brother?