The True Story of the Nun of Monza (1980) 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 actions continue to go unnoticed?