After decades as a Commissario, Piero Trotti has retired. But his newfound peace is brief. An old friend calls him to Siena to give him urgent news: a known hit man has returned to Italy to kill Trotti. The former inspector must admit that he isn't entirely undeserving, as his mistaken accusations and failed gambles have cost innocent lives in the course of his investigations. Though Trotti carries the burden of these deaths with him each day, someone...