On 12 December 1969, the Banca dell’Agricoltura in Piazza Fontana in Milan exploded with a bomb that killed 17 people and injured 88. Attempts were made to place the blame on anarchist groups and, following the first arrests, on 15 December Giuseppe Pinelli, illegally detained by the Milan Police Headquarters, died an innocent death by falling from a fourth-floor office window.

This was the first of many attacks of the ’strategy of tension’ implemented by the subversive right.

More than fifty years later, "Il rumore del silenzio" (The sound of silence) by Renato Sarti and with Laura Curino brings the Piazza Fontana tragedy back to life, highlighting the often forgotten memory of the victims and their loved ones, without giving up a few but essential hints about the political and procedural facts.

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