Abruzzo, Italy: a young priest suffers the stigmata of the crucifixion. The Vatican, Rome: the Pope calls on Harvard professor Cal Donovan to investigate the truth of the priest's claim. Berlin, Germany: a neo-Nazi organisation believes the priest is the key to an earth-shattering secret. A secret that can be used as a deadly weapon. When the priest is abducted, a perilous race against the clock begins. Only Cal can track down the ruthless organisation and stop it, before an apocalyptic catastrophe is unleashed.