Following the events of A TRACE OF SMOKE, journalist Hannah Vogel has been in hiding in Bolivia with her young ward, Anton, for the past three years. She believes she has outwitted Ernst R hm, the head of the Nazi Party's Storm Troopers who believes himself to be the boy's father, so she seizes the offer from a newspaper to cover the journey of a zeppelin from South America to Switzerland, particularly as it will allow her a rare opportunity to meet...