

Baron Torrealta is murdered by a mysterious assassin known as "Diabolicus". Due to the sizable inheritance, the police suspects the baron's heirs. The mystery deepens, however, as the suspects become targets themselves.
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Marquis Galeazzo di Torrealta / Gen. Scipione di Torrealta / Prof. Carlo di Torrealta / Baroness Laudomia di Torrealta / Mons. Antonino di Torrealta / Pasquale Bonocore