Dive into the secret world of Angelology, where Sister Evangeline of Saint Rose Convent stumbles upon arcane correspondence that hints at the existence of angels on Earth. Her discovery pulls her into an ancient battle between the altruistic Angelologists and the Nephilim, hybrid offspring of angels and humans. The hunt is on for mystical artifacts hidden by Abigail Rockefeller during WWII, which hold the power to enslave humanity. Thrust into this hidden war that maneuvers from the humble convent to the echelons of New York's elite, to graveyards of Paris and remote Bulgarian mountains, Evangeline must confront her destiny and the Nephilim's sinister plans, as the epic struggle for the fate of mankind unfolds.