Police officer Elena deals with cyber crimes and violence against children. The discovery of a young boy's body in the Venetian Lagoon brings her back to the city she left twenty years earlier.

Pistoia, World War II. After the Nazi occupation of Tuscany, Silvano Fedi, together with a group of twenty-year-olds like him, decides to establish the 'Squadre Franche Libertarie', the local and national resistance, ready to give their lives in order to free Italy from oppression and injustice and rebuild it on the ideals of freedom and non-violence.