How to make a choice if on one side of the scale is loyalty to family, and on the other is loyalty to one’s country? London, 1937. The Mitford sisters have already made a name for themselves and become famous in literary and political circles. Beautiful, smart, eccentric - each of them is predicted to have a brilliant future. But everything changes in an instant: the family splits when Diana divorces her rich husband to marry the leader of the British Union of Fascists. Not wanting to leave her sister, Unity follows the young family all the way to Munich. Subsequently, this decision will give rise to rumors that she became Hitler's mistress. The third sister, Nancy Mitford, is suspicious of her sisters' constant visits to Germany. Her anxiety grows as the fascists come to power. One day, Nancy witnesses a conversation that will change everything. Great Britain enters the war with Germany, and now Nancy will have to make a choice. A novel about the most famous sisters of the 20th century, about their destinies, their perseverance and love.