Complex sentence: The screenplay by Jean-Pierre Denis with Michèle Pétin, was based on the book "L'Affaire Papin" by Paulette Houdyer, which told the story of the double murder committed by the maids, which made sensational headlines in France in 1933.
Split into simpler sentences: The screenplay by Jean-Pierre Denis with Michèle Pétin, was based on the book "L'affaire Papin" by Paulette Houdyer. It told the story of the double murder committed by the maids, which made sensational headlines in France in 1933.