Satan Was a Lady

Satan Was a Lady is an American 1975 explicit hardcore pornographic film, produced and directed by Doris Wishman. The film stars Bree Anthony, Tony Richards, Annie Sprinkle and Bobby Astyr.

According to the story, Claudia Bree Anthony and Victor Tony Richards are engaged. Claudias sister Terry Annie Sprinkle has affairs with both Victor and BobbyBobby Astyr, and Victor also has another girl on the side. The Satan of the films title, AdaSandy Foxx, is Terrys mother and Claudias stepmother. Apparently very mortal rather than supernatural in nature, she regardless has a reason to hate her stepdaughter, and she schemes to scare Claudia out of her inheritance.

Source: Wikipedia