Mario and Filippo are two twin brothers, the honorable one want to bring morality back into Italian political life, as president of the Commission for the investigation of corruption. The other brother is a cynical trickster.
1997: A student of folklore named Andrea Roberti disappears after hypothesizing a possible link between the horror literature of H.P. Lovecraft and the dark folk tales of the Po Delta, a mysterious and remote part of northern Italy.