Antonio Jiménez Escribano

Though he made only two horror films, veteran writer/director José Luis Merino here embraces the genre's classic elements and ravishes them to vivid extremes: When a beautiful biochemist (Erna Schurer) arrives at a foreboding castle to work for a sinister baron, she'll unlock a nightmare of dark romance, sexual violence, grisly family secrets and some of the most perverse moments in '70s gothic.

The poisonous fingernails of a mind-controlled stripper become Irma’s instrument of revenge against the doctors who mocked her mad scientist father.