About the book: 2013 / A unique detective, the grandson of the famous Belgian detective, Eric Petrov is back in Russia, again on his way they meet Marisha, who is madly in love with him Vesnin, and a complex crime that the local police are unable to unravel. Nikolai Proskurin was killed in his own, well-guarded house. All evidence points to the victim's wife Irina and her lover. But Eric does not believe such a simple and banal accusation. The death of a realtor with an anecdotal first and last name, Ivan Ivanovich Ivanov, who visited Nikolai literally a few minutes before the murder, looks very strange and suspicious. And the next day Ivanov was found dead at an abandoned construction site, traces of beating were clearly visible on his body, and some wardrobe items were missing. Having answered the question - who and, most importantly, why killed Ivan Ivanovich, as Eric Petrov claims, it will be possible to clarify the circumstances of Proskurin’s death…