Both of Claude Chabrol's murderous black comedy, feature film mysteries starring Jean Poiret as the incomparable Inspector Lavardin: Chicken with Vinegar: When a small town begins losing its citizenry in a series of grisly murders, out-of-town police inspector Jean Lavardin is sent to investigate. Could the killers be a bullied son and his cruel mother, who run the local post office? Or a pushy trio of would-be land developers? Inspector Lavardin: When a wealthy and devout Roman Catholic writer is found murdered on a beach with the word "PIG" written on his back, Inspector Lavardin is sent to investigate. In the course of his probing, he discovers that the widow is an old flame of his and that the small coastal town holds other secrets.