After a terrorist attack against a train, the police arrest the young laborer Stefano Baldini, member of a group of militant leftists. Entrusted for interrogation to Sergeant Pendicò and special agents Lorusso and Spasiani, Stefano dies, after four days, in unclear circumstances. Doubting the official version of the police, the second time in which a young person died in custody, journalist Cristina Visconti tries, with the aid of the sister of Stefano, to discover the truth. They rub up against a conspiracy of silence that encircles the act...
