A historical and tragic backdrop: the dragonnades, the persecution of Protestants after the revocation of the Edict of Nantes. And a comic situation: an insubordinate singer who taunts Louis XIV's soldiers from the top of his rock, driving Marshal Boutre half mad.

Is doubt allowed in love? In this police investigation, feelings interfere with the investigation. While a murder has been committed, the benefit of the doubt as to the identity of the murderer is obviously allowed. Love, jealousy, passion and crime make up the essence of this thriller crime drama.

Font-aux-cabres is the name of an Andalusian village, benefiting the Commander of the Order of Calatrava, who supports Juana Beltraneja, the pretender to the throne of Castile, against the Catholic Monarchs. The Commander's tyranny is felt throughout the country, subjecting village women and girls to his whims by threat or violence. Laurencia, who dares to refuse him, is kidnapped on her wedding day, and her fiancé Frondoso is imprisoned.

Convicted of murdering his wife, a crime of which he declares himself innocent, Jacques Mazur is serving a long sentence in a prison where his presence causes disruption.