The year is 1502, and seven-year-old Bianca de Nevada lives perched high above the rolling hills and valleys of Tuscany and Umbria at Montefiore, the farm of her beloved father, Don Vicente. But one day a noble entourage makes its way up the winding slopes to the farm - and the world comes to Montefiore. In the presence of Cesare Borgia and his sister, the lovely and vain Lucrezia - decadent children of a wicked pope - no one can claim innocence for very long. When Borgia sends Don Vicente on a years-long quest, he leaves Bianca under the care - so to speak - of Lucrezia. She plots a dire fate for the young girl in the woods below the farm, but in the dark forest salvation can be found as well...