A brilliant debut brimming with secrets, mystery and friendship, set against a back drop of the First World War in the walled gardens of Ickworth estate. October, 1916. Clara is sent to stay with her formidable aunt and uncle in the grounds of a country estate. Clara soon discovers that her new surroundings hold secrets: a locked room and a hidden key, and a mysterious boy who only appears in the gardens at night... But can Clara face up to her own secrets, and a war she's desperate to forget?