1972, Milano. We are just a few days before the general elections. The daughter of a well-known professor is found dead. Mr Bizanti editor in chief of newspaper "Il Giornale", in agreement with its owner Mr. Montelli, decides to charge of following the story the junior Roveda and the senior Lauri. At one point, some elements indicates senator Boni as a possible murderer. All the "old guard" within "Il Giornale" drives articles in order to underline responsibilities of senator Boni. But young Roveda doesn't surrender and continues to search for the truth.