Newlyweds Parker and Madeline move into their dream home. As they settle in, they discover a box of old love letters written to the original owner. And as the couple digs into the increasingly obsessive correspondence, a mysterious woman arrives with a horrifying secret that threatens their lives.

Femme Fatales is an anthology TV series, inspired by the men's magazine of the same name, with each episode focusing on an antihero woman, intercut with softcore pornographic scenes and produced by Cinemax. Lilith, introduces each episode Rod Serling-style and occasionally appears within the narrative. Some characters make encore appearances in later episodes.