Wivenhoe February 1940. As the war clouds gather over Europe the Roby family are thankful to have started their new life in Wivenhoe safe from German bombs. . . for the moment at least. And with the safe arrival of baby Grace family life at Harbour House seems to be settling down. But Emily Roby finds life stifling. She's not keen on her new baby sister doesn't like her new school and feels as though sometimes her parents still treat her as a baby but also a grown up when it suits them! Emily's only friend is Nancy the new girl working at Harbour House. Nancy loves working at Harbour House but war has brought many changes and she begins to wonder if there's another life for her away from Wivenhoe. Her young man Dan Brooks is keen for them to get married and start a family but at only eighteen Nancy feels too young to settle down. As a bargeman working on the river Dan is often away for days and weeks on end but Nancy knows he will always come home to her. But with the Germans' U-boats turning their eyes to Britain's waters Dan's job suddenly becomes more dangerous than ever before. Suddenly there are troubled waters ahead for everyone at Harbour House and the future looks unsettling for everyone.
