In a world at war, a young woman must face her darkest fears... 1941. After the death of her beloved mother, nineteen-year-old Romilly Brooks impulsively accepts a job as a nanny, accompanying eight-year-old Freddie and his grandmother on a sea voyage from war-torn London to the safety of New York. From the first, Romilly is entranced by the opulent ocean liner... if only she could put the idea of German U-boats circling beneath...