Many of the inhabitants of the first cooperative house in Moscow were shot during the years of the Great Terror. Now the building is located at Dolgorukovskaya, 5, in the past it was Kalyaevskaya, 5. The family of Dmitry Belanovsky moved there in 1939. According to the story of his father, the former owner of the apartment, by the name of Gurevich, was repressed by the NKVD. For many years, Dmitry was haunted by the thought of what kind of people lived here before him, why they were arrested and how their fate turned out. It took almost twenty years to find information about the former tenant. Through his own, almost detective, investigation, he managed not only to identify this person, but also to find his relatives.