Time Out says
The most striking feature of Chabrol's glossy murder mystery is the totally incomprehensible plot, revolving around rivalry for the rights to a family champagne firm: Perkins has said that he took his part solely in order to figure out whodunit. Rather like a pop Huis Clos, it turns out that all four parties in the bourgeois household are as intolerable as each other, but who strangled whom and why remains opaque. Made by Chabrol's regular team, it's relentlessly stylish. (A separate English-language version runs 98 minutes.