Rekviem - Marinina Aleksandra

In Moscow under mysterious circumstances killed a young policeman. His girlfriend Lera wears on his hand an expensive diamond ring, stolen once in the murder of the wife of a major official. Lives Lera with his grandfather-criminal, many years ago killed the girl's parents and made her an orphan. Such a tangle of riddles has to unravel Nastya Kamenskaya and her colleagues from the criminal investigation.