Nympha (2007)

Sarah (Tiffany Shepis) is a young American from New York City who travels to Italy to join the New Order convent as a cloister nun and to prepare for an arduous spiritual journey. But on the path to finding God, Sarah begins having nightmares and visions of a troubled young nun who once sought the same serenity she did, and Sarah begins to see the convent's violent past.