Master Lebrument , notary, presents a case in which he was charged . One day he was called to the bedside of a dying woman who promises a large sum if he finds his son. After the death of her husband , she became the mistress of the man she had loved in his youth and his parents prevented from marrying . When he discovered their affair , her son went without return. Immediately, she hunts her lover, thinking that this will bring back his son , but twenty years have passed and she is still single .