demonic contracts

His film 'Salò, or the 120 Days of Sodom' presents a nightmarish vision of absolute power and corruption as a kind of infernal contract between oppressor and victim.

'The Exorcist' and 'To Live and Die in L.A.' explore supernatural and moral contracts with dark forces that corrupt the soul.

'Rosemary's Baby' masterfully depicts an insidious conspiracy as a demonic bargain made at the expense of the protagonist's autonomy and motherhood.