When a young nun at a cloistered abbey in Romania takes her own life, a priest with a haunted past and a novitiate on the threshold of her final vows are sent by the Vatican to investigate. Together they uncover the order’s unholy secret. Risking not only their lives but their faith and their very souls, they confront a malevolent force in the form of the same demonic nun that first terrorized audiences in “The Conjuring 2” as the abbey becomes a horrific battleground between the living and the damned.
In the autumn of 1960, Father Thomas Riley and Father John Thornton were sent by the Vatican to investigate a miraculous event in an Irish home for 'fallen women', only to uncover something much more horrific.
Chief of Police Rui, a happily married man of principles, is in charge of investigating Joana, a teacher who's accused of political crimes. After some false starts, he manages to arrest her, but is startled to learn that she's also a nun. The revelation doesn't alter the natural course of events: he must torture her in order to obtain a confession, and gets increasingly attracted to her.
Gabrielle Van Der Mal gave up everything to become a nun. But her faith and her vows are forever being tested: first in the missionary Congo hospital where she assists the brilliant and handsome Dr. Fortunati and then at the mother house in France when World War II has broken out and the nuns are forbidden by the order to take sides.
16-year-old Maria is forced into Serra D'Aires convent, secretly run by Satanists. Her confessor is in collusion with the Mother Superior. Maria is tortured, forced into sex with men, women, and the horned Devil, and told that it's all a bad dream. She writes a letter to God, and a Knight rescues her, only to fall into the hands of the Inquisition, put on the rack, and condemned to death like Joan of Arc.
Upon taking her vows to become a nun, Sister Sarah is abused, brainwashed and drugged into submission by the corrupt clergy. On the verge of death from a lethal dose of drugs, Sister Sarah receives a message from God telling her to take vengeance on all those who did her wrong. Armed with God's will and an arsenal of big guns, she dispenses Judgment Day on her former tormentors. When the church hires the merciless motorcycle gang the "Los Muertos" to track down and kill her they soon realize that this sister is one bad mother.
A weary sergeant in Korea commands military prisoners on a dangerous mission and is joined by a nun and a group of schoolgirls in enemy territory.
It's 1577. The Mother Superior at the convent of Archangel is seriously ill. The determined and calculating Mother Giulia plots to become the next Mother Superior. She receives tough competition from tormented lesbian Sister Chiara and the lusty Sister Carmela.