The Rape of a Nun(1983)

Original title: Ο Βιασμός μιας Μοναχής

Irini, a young and beautiful woman, is promised by her father to a secluded convent where the corrupt abbot exploits the nuns. With the help of her childhood friend Dorothy, she tries to escape to Athens, only to find herself drawn into a world of wealth, desire, and sexual exploitation.