Annie Lovell is keen to put the spark back into her life and when her elderly neighbour inherits an abandoned Parisian apartment she goes to Paris to discover more. Her curiosity takes an unexpected turn on discovering a bundle of secret diaries hidden within the walls, detailing the life of a young English woman, Beatrice Crawford, who volunteered in 1916 to nurse the soldiers in the fields of France. Captivated by the romantic City of Light, Annie realises first appearances are not always as they seem. Following Beatrice's journey from the Great War, through the Roaring Twenties and to a very different life in Nazi-occupied Paris, Annie must piece together the events from the past, if she is to fulfil the legacy that Beatrice left for her to find...