Norfolk, July 1944 - with the world at war again for the second time in a generation, warm hearted Bessie Rushbrook, takes in an evacuee, Marigold, giving her a safe home away from the dangers in London. But eight year old Marigold is no ordinary evacuee, and her arrival starts a chain of events which force Bessie to face her past and the choices she made during the dark days of the First World War. Bessie must reveal her secret to those she loves, but will they accept what she did, or will it tear the family she holds so dear apart?