The novel is a historical fiction that follows the life of Désirée Clary, a young silk merchant's daughter from Marseille, who becomes romantically involved with a young Napoleon Bonaparte before he rises to power. After their relationship ends, Désirée finds herself navigating the complexities of French society during a turbulent period, eventually marrying Jean-Baptiste Bernadotte, who later becomes King Charles XIV John of Sweden. The story, told through a series of fictionalized letters and diary entries, portrays Désirée's transformation from a naive girl into a mature woman and a queen, offering a unique perspective on the political and social upheavals of the Napoleonic era.

The novel explores the intricate lives and psychological depths of a vast array of characters in interwar Vienna, focusing on the transformative experiences and moral dilemmas they face. Through a richly woven narrative, the book delves into themes of power, guilt, and redemption, set against the backdrop of a society on the brink of monumental change. The story masterfully intertwines the personal and political, revealing the complex interplay between individual desires and societal pressures. Through its detailed portrayal of Vienna and its inhabitants, the novel offers a profound commentary on the human condition, examining how the demons within and without shape our destinies.