France 3 will air Monsieur, a television film adaptation of the novel Petite sale by Louise Mey, beginning on Thursday, October 1st, on the france.tv platform. The film will also be broadcast on France 3 at 9:10 PM on Tuesday, October 13th. Produced by LM les Films, the film stars Jean-Pierre Darroussin and Jeremy Lewin in leading roles. The screenplay, based on Mey's novel, was written by Natalie Carter, who is also a novelist. The original music for Monsieur was composed by Cyrille Aufort. It won the Best Music Award at the 2025 TV Fiction Festival in La Rochelle and was selected for screening at the 2025 American French Film Festival in Los Angeles. The film is directed by Méliane Marcaggi. The original novel, Petite sale, was published in January 2023 by Éditions du Masque and is available in paperback by Points. The story follows a disappearance at a Domaine, which leads to a ransom demand and a police investigation. It explores themes such as class violence, gender violence, deadly patriarchy, and social domination. The cast of Monsieur includes Jean-Pierre Darroussin as Dassieux, Jeremy Lewin as Gabriel, Aurélien Recoing as Monsieur Auguste Desmest, Léontine D'Oncieu as Catherine Caron, Pasquale D'Inca as Capitaine Aubreuil, Sophie Le Tellier as Madame Salors, Didier Brice as Radier, Laure Blatter as Clémence Demest, Padrig Vion as Michel Demest, and Philae Mercoyrol-Ribes as Sylvie Demest. The film promises to deliver a gripping narrative that delves into complex social issues through its characters and plot.