A Woman Possessed (La Papesse)
Laurent, who is married, decides to delve into the arts of black magic  and decides he wants to be initiated into the darkest sect for which he must undergo  certain rituals.  Laurent is told by the powers of the sect that in order for him to  completely join them, he must have his wife Aline join as well.  Aline then finds herself  in a series of events destined to break her mental structure.