Innocent victims die in a very strange way. The killer cannot be identified. The events are closely monitored by people who do not want to help the investigation, but each of them knows enough to stop the maniac. A millionaire from the Urals, her sister, a psychiatrist, a former counterintelligence officer, a popular writer, a scandalous reporter, a sick pensioner. They placed their bets. These respected people can also be suspected of crimes. But who would think of this?