Farewell tells the story of Lady Grace Drummond-Hay, the only female passenger on the first journey around the world of the Graf Zeppelin in 1929. Grace writes about her adventures on the journey in articles as a reporter as well as in her diary.
Her former lover Karl von Wiegand is amongst the other passengers. When the Zeppelin finally flies over New York, the lovers lose touch. In 1929, people were convinced this journey would be a splendid turning point in history.
A few weeks later the Wall Street crashed and a dark period in history began.