I have a feeling AHS Hotel will be set in Purgatory/Hell and reference No Exit and maybe the movie Identity. I think people will gather in this hotel and try to figure how they are connected and most of the people may have committed heinous acts in the past. If Ryan Murphy said the seasons were connected then these are some clues why I think he might reference No Exit   1. In the finale of Coven, Kathy Bates was stuck in the recurring time period to face "her past crimes" 2. Maggie referenced