The 50th anniversary of the novel by Alexandra the novels of Marinina. For the first time Anastasia Kamenskaya is studying an old criminal case on a real crime. The convict is still serving his sentence in a correctional institution. Since childhood, we used to believe that the truth is one. She's like a white stone in a pile of black rubble. It is enough to go through everything, and be sure to find it — the only, undeniable, unconditional truth... But is it so? Once upon a time in the Moscow communal committed a brutal triple murder of parents and child. The suspect turned himself in. He was detained, the investigation and the court. After twenty years, the old criminal case falls into the hands of the legendary retired operative Anastasia Kamenskaya and young journalist Peter Kravchenko. The guy believes that the convict was framed, and seeks to bring investigators to clean water. Here it turns out that everyone in this story is driven by his truth, which in turn generates thousands of kinds of lies…