Anthology film following six stories of strangers briefly meeting on the Rome Metro.

Physical laws and human relations. In Terni (in the center of Italy), during a hot summer, Matteo, 30-years old with a degree in physics but unemployed gives private lessons to Elsa and Giulio. The three of them soon become friends but Matteo and Giulio also become love rivals.

The story of Italian soundtrack composer Piero Umiliani, from his post-war beginnings in the jazz combos of the Allies, to being one of the first to experiment with lounge and electronic music in Italy.