The Grand Inquisitor Barnal arrives on behalf of Pope Clement VII in Karpantra, where a devilish crime has been committed: a priest is found crucified on a cross before his church. At the same time, two doctors from the Jewish quarter, David and his son Samuel, defying the ban on treating Christians, save the wife and child of the unfortunate Leklo during a difficult birth. When Samuel leaves the birthing woman's house, Abbot Tuyar burns on a cross in the nearest church…