Fear of de Sade

In the pitch-black cell of an asylum - possibly in 19th century France - an extended dialogue between the "baron" and a disembodied "voice" ensues. Arrested for a crime that he has no memory of, the baron swears his innocence throughout. In contemporary France a man and his wife push one another into increasingly violent and extreme situations in what is evidently a deeply twisted marriage. There is only one possible outcome as the stakes get higher and higher. And where there is murder, there must be a murderer ...