Rome: Andrea Casadei is a young investigator specializing in audio interceptions. Is often encountered in Piazza Navona with his friend Gigi, street artist frustrated and obsessed with success at all costs.
Linda Forrester, an FBI agent, is sent to Florence to investigate the trade in stolen works of art and the murderous activities of those involved. She has to work side-by-side with a local police inspector and they soon begin a relationship. Linda takes advantage of the case to immerse herself in the culture of Florence.