Through the testimony of those who met him, the film proposes to discover the complex personality of Guillaume Depardieu. It is also the story of a destiny that was shattered too soon, of a wounded man, revolted, disturbed by his childhood and to whom adulthood brought no appeasement. Finally, a man with a rare talent, being able to express himself with an amazing virtuosity, both as an actor and as a musician.

Guillaume Depardieu, Itinéraire d'un enfant terrible

„Un peuple et son roi" crosses the destinies of the men and women of the population, and those of historical figures. Their meeting place is the newly founded National Assembly. At the heart of the story lie the fate of the king and the birth of the French Republic.