Although every season of American Horror Story has dark twists and turns, American Horror Story season 12 has a fascinating mystery about Adeline Harding's (Annabelle Dexter-Jones) death. In the season 12 premiere, Anna Victoria Alcott (Emma Roberts) learns more about the passing of her husband Dex Harding's (Matt Czuchry)'s first wife Adeline. While the season focuses on Anna's fertility struggles and creepy pregnancy, along with her desire to become a famous actress,