Desc: Inspecteur Lavardin: Directed by Claude Chabrol. With Jean Poiret, Jean-Claude Brialy, Bernadette Lafont, Jean-Luc Bideau. Inspector Lavardin investigates on the murder of a famous writer, whose widow happens to be Helen, a woman Lavardin once loved. She has a daughter from a first marriage, who actually killed her stepfather, as he was trying to abuse her.