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In the scientific research Institute of neurology found the dismembered corpse of a girl of sixteen.
Lieutenant Carmine Delmonico is sure the killer is a member of the Institute, because a stranger to enter the building will not be able.
But who of prominent scientists committed this heinous crime? To suspect almost everyone, and meanwhile a mysterious murderer, who is omnipresent press calls Ghost, has already found another victim.
Delmonico begins to investigate and soon comes to the conclusion: the only way to catch the maniac to understand how these murders are connected with a terrible crime committed thirty years ago...