50th, anniversary novel of Александры Марининой.First Anastasiya Каменская studies an old criminal case on the real crime. Convict on him until now punishment departs in an attendance centre.From little up we got used to believe that true - one. She - as white pebble is in the heap of black macadam. To sort out everything enough, and necessarily her will find - only, undeniable, absolute true. But how so it?Once a long ago cruel triple murder of parents and child is accomplished in the Moscow communal flat. The suspected was with guilty. He was detained, investigation and court took place.After twenty years an old criminal case gets in the hands of legendary police operative in retirement Anastasiya Каменской and young journalist Peter Кравченко. A fellow considers that convict put, and aims to expose investigators. Here it turns out that everybody in this history is movable the true, originative, in turn, thousands of types of lie.