Agnès Dormes, a famous opera singer, saves Julie, a baby girl who was about to be sacrificed during a black mass. Twenty years later, the baby has turned into a beautiful energetic twenty-year-old young lady determined to find out about her origins. In Avignon, Julie manages to meet Agnès and discovers on the occasion she is not her real mother. A series of adventures will ensue and at a time Julie is nearly burned on the stake. But she eventually achieves her end and can marry, a street performer close to her heart.

La jeune Julie va découvrir ses véritables origines en même temps qu'elle part sur les traces de l'assassin de son père. Sur fond de trahisons, duels et rebondissements à la cour du Roi Soleil, elle devra livrer un combat sans merci pour découvrir l'identité de ses parents, mais aussi pour s'imposer comme cantatrice et enfin pouvoir aimer Gaspard, son compagnon d'infortune.