Vanni, Gregorio and Livia are brothers. The first is a well-known pianist, the second has abandoned his career as an aspiring violinist to become a deejay. When Vanni discovers that his father has disappeared into thin air, together with Gregorio they decide to call his sister Livia. The three relatives travel the length and breadth of Tuscany to find their missing parent.

Sergio Benvenuti is a shy seller of contracts for a Roman company of music, but because of his character he cannot find even a customer, so he asks for help from a fellow named Nadia.