The greatest international intrigue in Italian history. 1976: the Red Brigades kick off the "Years of Lead". The Christian Democracy wins the elections and the President of the DC, Aldo Moro, proposes an alliance with Berlinguer's PCI: a hypothesis uncomfortable for too many. On the 16th of March 1978, Moro was kidnapped and 55 days later killed. Who decided the kidnapping and why?