This was the final film in the original trilogy and is known for being the final performance of Heather O'Rourke , who passed away shortly before the film's release. Poltergeist III (1988) - IMDb
The story follows young , who has been sent to live with her aunt and uncle in a high-rise luxury apartment building in Chicago. This change was intended to keep her hidden from the malevolent spirits of her past. HolttГ©r 3
The film heavily utilizes practical mirror effects to create a sense of disorientation and supernatural intrusion. This was the final film in the original