A.J. and his friends in the second grade learn that art can be made out of anything, even garbage.

Environmental concerns become significant in Brunetti's work when an investigator from the Carabiniere, looking into the illegal hauling of garbage, asks for a favor. But the investigator is not the only one with a special request. His father-in-law needs help and a mysterious woman comes into the picture. Brunetti soon finds himself in the middle of an investigation into murder and corruption more dangerous than anything he's seen before.