The miracle of the stone's tears is easily explained, but new murders taunt San Rosario. Joseph and Roberto think that part of the answers could lie in the abbey's ancient history, but the other priests' hostility doesn't allow them to investigate further.

Dark secrets emerge from the past while Joseph and Roberto keep on investigating about the chain of deaths in San Rosario. And when the bloody runes found in the church prove to be a famous phrase from the "Mein Kampf", this leads the two priests to the most dramatic discoveries.

Joseph and Nicholas have finally discovered the truth about the supposed Immacolate Conception, which lies in the final days of the World War II, when from the asces of a dying Third Reich someone was already spreading the seeds for the birth of a Fourth one.