Quick Plot Summary: Released in 1975, Satanic Pandemonium is a Horror, Mystery, Thriller film directed by Gilberto Martínez Solares, written by Gilberto Martínez Solares. The narrative crafts an atmosphere of dread and suspense, using psychological terror and visual scares. It provides a scannable look at the movie's central conflict involving Cecilia Pezet as Sister Maria.