June 27, 1980: a DC–9 flying over the Tyrrhenian Sea breaks up mid-air and crashes near the Italian island of Ustica, killing all 81 people on board. The official version blames the "structural failure" of the plane, but a young journalist smells a cover-up and starts to uncover the truth out of the 'invisible wall' of lies built by politicians and air force higher-ups.
Police commissioner Santamaria is investigating the murder of the ambiguous architect Mr. Garrone. The investigations soon drive him into the Torino's high society. Santamaria suspect Anna Carla and at the same time falls in love for her. Lello is the lover of Massimo, Anna Carla’s gay friend. He is following another direction in order to find out the truth, and his results are confusing the Policeman. But another murder happens...
An English pianist living in Rome witnesses the brutal murder of his psychic neighbor. With the help of a tenacious young reporter, he tries to discover the killer using very unconventional methods. The two are soon drawn into a shocking web of dementia and violence.