Susanna Bolchi

The new captain of the Carabinieri, Fabio Leopardi, arrives in a quiet provincial town, called to investigate the possible existence of a satanic sect which has led to the death of three people: the parish priest of the town, who died in an alleged accident, the captain of the carabinieri, apparently dead by suicide, who was investigating the death of the priest, and a young student, found dead in a ditch, who behind her 'good girl' appearance hid the use of narcotic substances and the practice of rituals satanic. Despite a series of misdirections, Leopardi will be able to shed light on the case.

The Turin area is devastated by floods: the Pô River has overflown and toxic waste from a local dump is now being carried by the stream. Which is why Augusto Vigano, the co-owner of a pub and a dedicated environmentalist, blocks, in the company of a group of friends, the train on which minister Antonelli is traveling. The politician, agrees to listen to the protesters'complaints and , filmed by television cameras, follows Vigano all the way to the dump. It is on this occasion that Vigano is noticed by a politician who sees at once the interest he can derive in having him elected. Augusto, who thinks that being elected to parliament is the best way to protect the environment more effectively, accepts his offer, without realizing that the cynical politician intends to manipulate him.

The wife of the goalkeeper of the local water polo team, Tavernari, is found dead in her apartment. Walter Cherubini, who recently met them for work reasons, thinks that the husband is the culprit.

A serial killer targets a rich family that owns a banking group and kills them through an astrological ritual scheme. He leaves behind mysterious messages from Nostradamus, which he signs with the symbol of the zodiac. It will be the illegitimate daughter of the head of the family, Ester -- with the help of a skeptical commissioner -- to unravel the mystery, untangling herself in a dense web of intrigues that hide behind the powerful and respectable family.

A man wakes up in the hospital without remembering anything. He does not know who he is. But evidently, his identity is known by two killer of color who seek out without respite.