The document analyzes key changes in supernatural horror films from the 1970s to the present, detailing specific films such as 'The Exorcist' (1973), 'The Omen' (1976), 'The Shining' (1980), 'Poltergeist' (1982), and 'Candyman' (1992). It discusses plot outlines, character roles based on Propp's character theory, technological advancements, audience appeal, and the thematic evolution of the genre over the decades. The analysis emphasizes the increasing complexity of characters and settings, appealing to diverse audience demographics while reflecting social and cultural fears.