Plagued by eerie visions and haunted by a secret brotherhood known as the Illuminati, a young woman named Vittoria stalks the halls of the Vatican probing the darkest depths of the Catholic church in search of her late brother's soul. When the ill-fated Illuminati conspiracies materialize beyond her control, and with the Vatican overflowing with sinister figures vying for power, Vittoria is forced to confront the startling truth of her brother's destiny, and her own.