Carol Hammond, the sexually frustrated wife of a successful London lawyer, is having bizarre, erotic dreams about her uninhibited neighbour, Julia Durer, who presides over noisy, sex and drug filled parties in the house next door. One night, Carol dreams culminate in violent death and she wakes to find her nightmares have become reality - Julia has been murdered and Carol is the main suspect. Was she set up, or did she really do it?
This movie contains 9 potentially triggering events.
The gore is tame by Lucio Fulci standards but still excessive by most other standards, especially for 1971. You should always expect a lot of gore from a Fulci film.
Multiple dream sequences in which a woman struggles through crowds of people blocking her way in somewhat enclosed spaces (a corridor of a train and a hallway, respectively).