Mortal transfer (2001)

Michel, a psycho-analyst, falls asleep while listening to his patient Olga, a kleptomaniac and a sexual pervert, tell him how she likes her husband beating her. When he wakes up, he finds Olga having been choked to death. He now has to deal with a body, with Olga's rich husband who thinks she stole money from him, and with all his patients' insanity that haunts him.