The story recounts the adventures of the Iacovoni family in Rome, where they have recently moved from a small town. Giancarlo is an accounting teacher animated by a revolutionary spirit, Agata is a provincial and simple housewife and Caterina is a shy thirteen year old girl with a passion for polyphonic choral singing.
The naïve and candid girl sparks a fight between two classmates: Margherita, the daughter of an important writer and intellectual, and Daniela, the daughter of an important politician of the current government.
During the school year, Caterina will grow through demonstrations, underage benders and VIP parties.
For Caterina life in the City will not be the same again.