Something bad is being planned in Beirut, and it has something to do with a man called The Sheikh, who has only four fingers. It seems this isn't a lone incident. The Sheikh is also thought to be behind the assassination of several prominent scientists.
The misadventures of the young Bartolomeo Patacca that, because of the ambition of his woman, is having to train a group of beggars to go fight in defense of Christianity in Vienna, besieged by the Turks.
