A psychic finds herself tapping into the "energy" of a deceased phone operator. She also finds that her friends soon begin dying mysteriously. An investigator determines to track down the cause.

Police Comissioner Datti is investigating the murder of a female doctor whose murderer seems to be a thirty-fivish year old man. Soon another murder follows: Pianist Robert Dominici's girlfriend is found killed. The killer also challenges Datti on the phone and says he can't be caught since he has a secret which makes him invulnerable. In the meantime the clues seems to point in strange directions...

Carmen comes from a difficult past: taken away from her mother during adolescence, she grew up in a foster home. Massimo is an only child, raised in a wealthy and oppressive family. Their only daughter, Giada, 5 years old, was entrusted to the father. Carmen has the right to see her every other Saturday, but Carmen doesn't accept it: she doesn't want her child to grow up without a mother, like she did.

A razor-wielding serial killer is on the loose, murdering those around Peter Neal, an American mystery author in Italy to promote his newest novel.