The 1978 kidnapping and murder of Aldo Moro, president of the most important political party in Italy at the time, Democrazia Cristiana, as seen from the perspective of one of his assailants -- a conflicted young woman in the ranks of the Red Brigade.
On December 12, 1969, a bomb kills 17 people at the Piazza Fontana national bank in Milan, Italy, marking the beginning of the Years of Lead. Local anarchists are scapegoated for the massacre by police and the media, but a lone prosecutor uncovers a conspiracy of far-right groups, corrupt secret services, and other interests that seek to undermine democracy.
Days before the general election, after a girl from a rich family is murdered in an attempted rape, the editor-in-chief of a conservative tabloid tries to derail the police investigation in order to help the right-wing candidates supported by his bosses.
Young Father Giulio returns to Rome, where he was born and raised, to replace a priest who has left the clergy to start a family. He is delighted to reunite with his loved ones, especially his mother, sister, and old friends. Once radical leftists like Giulio himself, the latter are now each coping in their own way with the defeat of the revolution. Soon, however, Giulio realizes that despite his best efforts, he seems unable to solve the problems troubling those around him.
Felice returns to his native Rione Sanità in Naples to look after his dying mother, having lived abroad for the last forty years. Here he discovers that his old friend Oreste has become a notorious crimeboss.
Lugano, Switzerland. Titta Di Girolamo is a discreet and sullen man who has been living for almost a decade in a modest hotel room, a prisoner of an atrocious routine, apparently without purpose. His past is a mystery, nobody knows what he does for a living, he answers indiscreet questions evasively. What secrets does this enigmatic man hide?