Set in the port town of Dover in the South-East of England, Mary Hussain suddenly finds herself a widow following the unexpected death of her husband. A day after the burial, she discovers he has a secret just twenty-one miles across the English Channel in Calais.
Eight-year-old Nelly has just lost her beloved grandmother and is helping her parents clean out her mother’s childhood home. She explores the house and the surrounding woods where her mother used to play and where she built the fort Nelly has heard so much about. One day, her mother suddenly leaves, and Nelly meets a girl of her own age in the woods, building a fort.
