The murder of 13-year-old Yara Gambirasio shocks the little town of Brembate di Sopra, Italy. To bring the culprit to justice, prosecutors have only scant DNA evidence and no database to compare them to. Based on a true story.

Pio and Amedeo are inseparable friends, or at least they were until they graduated from high school, at which point each one was faced with the question: move up north or stay in the south?

A documentary-fiction that reconstructs the complex procedural path followed by the 1969 massacre through the point of view of Francesca Dendena, daughter of one of the victims and President of the Family Association of the victims of the Piazza Fontana massacre.