Dreamweaver (1970)

Amidst the Satanic Panic of the 1980s, Mary, a timid yet curious teenager, ventures into a seemingly normal, conservative suburban household for a slumber party hosted by her crush, Heather, and her intimidating new friends. However, Mary finds herself entangled in a surreal and sinister experience after being given psychedelics, leading her to question the true intentions of the family and herself.