A psychiatrist named Tony sees two identical twin sisters, Norma and Mary. Norma and Mary are apparently very different from each other, to the point of conflict.
Sister Virginia de Leyva becomes the new Mother Superior at the convent of Monza. Said convent turns out to be a veritable hotbed of sinful carnality and depravity. Debauched priest Don Arrigone and lecherous womanizer Giampaolo Osio plot to seduce sister Virginia. But will their wicked and lustful...
A priest investigates paranormal activity at a nuns' convent where a deep, dark secret is about to resurface in the guise of murder! Could the devil be behind this, or is that just what Mother Superior wants everyone to believe?