Grégoire Duval (Bernard Blier), one of the most upstanding citizens in his provincial French town, commits a spur-of-the-moment crime of passion and subsequently gets picked for the jury when a man with a dubious past goes on trial for the murder. Grégoire's probing questions get the man acquitted but in the eyes of the community, he's still a killer and when Grégoire eventually confesses to the crime, nobody wants to hear it...
Source : IMDb