End of the 11th – beginning of the 12th century. The County of Burgundy is going through hard times after the First Crusade. Many knights did not return from Palestine. Desolation and poverty reign in the county. However, life goes on. Rigor Juif, the son of a Burgundian merchant, does not want to continue his father’s business; adventures beckon to him. By the will of fate, he has to turn into a troubadour, an actor, then into a wandering Black Knight, and find a sacred relic - the heart of St. Bartholomew. And finally, uncover the conspiracy of the barons and save the heir to the Burgundian crown...