Somebody decided to appropriate a portion of the capital of a large Russian businessman, Lev Dementshtain—a billionaire included in the country’s top hundred richest people. The fraud is practically win-win, because the blackmailers have the most convincing incriminating evidence: a whole stack of documents that discredit the oligarch’s honor and dignity. But Dementshtain also has “a trump card in his sleeve”—the famous expert analyst, Drongo, whom he invited to identify the criminals.
Suspicion immediately falls on four people from the businessman’s circle. Everything begins in a polite and peaceful manner: courteous letters demanding six-figure sums, along with veiled threats. But once Drongo “stirs up the hornet’s nest,” gunshots are heard and the first corpses appear…