About the book: 2024 / Cheka, OGPU, NKVD - these names terrified the enemies of the young Soviet state. The operations they carried out are still studied in educational institutions of intelligence services around the world, and the people who developed and carried out them continue to arouse genuine interest today. The book is an artistic narrative based on documents about the origin and development of Soviet intelligence and security agencies and about their activities in 1917–1941.