It is Rome, 1943. The war in Europe is at a tipping point, but the direction in which it will tip is terrifyingly unclear. For either side, one dramatic initiative could change everything. It is under these conditions that the Nazis discover a secret that has been maintained for nearly two millennia – that the bones of Christ have been guarded in a cave in Italy by a small, secret group. If the bones can be uncovered, Hitler will be able to use them to topple Christianity and turn the war irreversibly in his favor.