The classic graphic novel. The unfinished final adventure of Tintin featuring Herge's black-and-white sketches. Opera singer Bianca Castafiore has a guru: Endaddine Akass is handing his advice out to everyone, but Tintin doesn't buy it-especially when he realizes that Akass might be connected to the death of the owner of an art gallery, who had been on his way to see Tintin when he died.

Nicola and Matteo Carati are two brothers of Rome, who live the years from 1966 to 2000 and all the events which have signed this period. They begin their adventure, helping Giorgia, a young girl confined in an asylum. Then, after the flood of Florence, Nicola meets Giulia a talented piano player with a dangerous sympathy for the BR. Matteo, a rebel spirit entered in the police, will find the optimistic photographer Mirella. These four characters and many others will cross the years of terrorism and Tangentopoli.