The film tells the story of how, in post-war Spain, Narcisa (played by Aria Bedmar), a novice with supernatural powers, arrives at a former convent, now a school for girls, to become a teacher. As the days go by, the strange events and increasingly disturbing situations that torment her will eventually lead her to uncover the terrible web of secrets that surround the convent and haunt its inhabitants.

一对夫妇奉行非常开放的婚姻，允许双方与不同的伴侣发生性关系，但似乎仅限于女性。丈夫拉斯普京教授热衷于寻找年轻貌美的女性，并与她们和妻子进行三人性爱。最终，他和妻子将这种性爱方式发展成一项生意，教授伪装成性爱医生，妻子则担任他的助手。然而，事情急转直下，我们发现教授不仅对一些女性猎艳，还对她们施以强奸，甚至杀害！而他的妻子似乎也参与了这些骇人听闻的罪行！