Octave, the perfect libertine, thirsts for the absolute. When he meets the young widow Brigitte, the cataclysmic possibility of true love arises.

Paris 1830. Betrayed by his mistress, Octave falls into despair and debauchery - “the disease of the century”. The death of his father takes him to the country, where he meets Brigitte, a young widow ten years his elder. Octave falls passionately in love, once more. But will he have the courage to believe in it?