A Diary of a Murderess (1975)
A beautiful young woman sets her sights on an aging millionaire. She seduces him, and moves into his mansion with him. She soon tires of him, though, and after she gets rid of him, she goes after his son. suicide, sexual obsession, holy grail, jewelry, blackmail, eroticism, psychology, bath tub, diary, seduction, ex husband, thief, mute, order of the templars, incest, monastery, erotic movie
ETC.
