Not succeeding, she takes possession instead of the body of the adolescent Bimba: she is the daughter of Andrea and the murdered woman, and until then had spent a very withdrawn and reserved life.

In the following days the behavior of Bimba radically changes, due to the evil influence of Lucrezia's soul, and several times, she falls prey of the perverse sexual urges of Lucrezia, while unconsciously sheds light on the sexual and perverse vices of her family members.

But in reality Bimba, subjugated by the soul of Lucrezia, sexually tempts the nun into a downward spiral of unspeakable debauchery.

[1] Mariangela Giordano recalled that the film was shot in March 1979 for twelve days, working "day and night through the weekends"[5] She stated she had gotten ill on set but as the producer, and her current romantic partner Gabriele Crisanti had not taken insurance policies on the production, she did not go to the hospital until the film was finished.

[1] Roberto Curti stated that the producer of Malabimba would "basically remake" the film as another horror and hardcore pornography hybrid titled La bimba di Satana which was released 1983.