Riddled with secret but horrid suspicion, young American poet Rose writes to her brother Mark in Rome about the startling findings in the dark and dank basement of her New York apartment building. Pivoting around the cryptic knowledge hidden in the leather-bound book entitled The Three Mothers, Rose is convinced that her aristocratic but damned abode is an ancient coven for Mater Tenebrarum, the malevolent Mother of Darkness. Little by little, as the siblings delve deeper and deeper into the occult, a mysterious disappearance and an endless string of gruesome killings will bring Mark closer and closer to a surreal nightmare. Where do the long and shadowy corridors of Rose’s building lead?
“Perhaps the most underrated horror movie of the 1980s.” - Kim Newman, The Penguin Encyclopedia of Horror and the Supernatural