As World War II looms, Pope Pius XI calls on a humble American priest to help him challenge the evils of Nazism and anti-Semitism. But death intervenes, and Pope Pius XII now carries out a very different response to Hitler and the Holocaust.

As World War II looms, Pope Pius XI calls on a humble American priest to help him challenge the evils of Nazism and anti-Semitism. But death intervenes, and Pope Pius XII now carries out a very different response to Hitler and the Holocaust.