The period is the 19th Century and the place is Europe, moving across from Turin to Prague to Paris. These places and period are dark, mysterious and ghastly for conspiracies that tower over history. Everywhere one finds someone plotting against another and unimaginable violence. There are the Jesuits scheming against the Freemasons, the republicans from Italy strangling priests with their own intestines and there are the French criminals who are busy planning bomb attacks during the day while at nights they celebrate the Black Masses. In such a sombre environment, there are some security services that seek to outdo cases of plotting, mass murders and forgeries. These services know that Europe, from Italy to Paris to Prague is in deep trouble and they are looking for a scapegoat whom they can nail as a means to getting to the bottom of the whole tumult. But the secret services do not know if many people are involved in the dark deeds or if it is just one man causing all the terror. and there are some notorious documents involved too. Will the secret services solve the entire mystery?