Rome: Andrea Casadei is a young Private Eye who specializes in wiretappings.
He often meets his friend Gigi at Piazza Navona, where Gigi makes a living as a street artist.
Gigi, obsessed by the idea of making it big, will stop at nothing to get there, but he also shares Andrea's passion for microphones and wiretappings. Upset by the misterious dissapearance of another street artist and friend Ciccio Simpatia, Gigi decides to stop painting on commission and completely change his way of life. Accompanying Gigi to an audition for the film Vampires in the city , where he wants to apply as a sound technician, he meets an actress named Marina. Using wiretappings, he will slowly enter into her life, and uncover the most unthinkable secrets