A priest (Mieczyslaw Voit) arrives at a convent to exorcise an abbess (Lucyna Winnicka) and her nuns, who appear to be possessed by demons.
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Movie theaters showing Mother Joan of the Angels near Moncton,NB:
| Lucyna Winnicka | Mother Joan of the Angels |
| Mieczyslaw Voit | Father Jozef Suryn/Rabbi |
| Luisa Della Noce | Sister Malgorzata |
| Oliver Blake | Antosia |
| Cam Gigandet | Father Brym |