Loursat, a lawyer, lives with his daughter Nicole in a sinister and vast bourgeois residence. Abandoned for nearly twenty years by his wife, the brilliant lawyer has sunk into alcoholism and his relationship with his daughter is virtually non-existent. However, one day the corpse of a stranger is discovered in the residence of Loursat. Nicole, who frequents a gang of young people who escape boredom by stealing cars and other objects, is immediately suspected.
In 1721, at the end of his career as a bandit, Cartouche, touched by the grace of an honest young girl, and falling into the hands of justice under the charge of the father of his beloved, asks as a last resort, that the young girl may, before her execution, come and forgive her.
