The Celestial Saga is a medieval dystopia in which each chapter features extracts from the diary of one of the main characters at a specific moment in this fictional universe. The story is told chronologically, to facilitate understanding of the political interplay between the civilizations that make up this imaginary world.

The Celestial Saga takes place over a period of twenty-five years and is divided into five volumes. It focuses on the evolution of the main civilization in this unlikely tale, the Celestial families, beginning with their apogee at the heart of these peoples' quest for glory, wealth and power.

Volume 1: the apogee. The story begins as the Celestial families, obsessed with their superiority, believe they are able to take control of all regions of their continent. A delinquent young man, drunkard, without virtue and disciple of the Order of Celestial Chivalry is given the gift of the future by the Great Oracle, to save celestial civilization from the fate that awaits it. However, the future knight has a very different goal in his twisted mind.