A book about a woman who changed the course of history. A unique documentary story based on archival materials of military intelligence, which were declassified at the request of the author, GRU Colonel Vladimir Boyko, who wrote under the pseudonym Vladimir Lota. How did Elena Ferrari attempt to kill Wrangel, and what was her connection to Maxim Gorky? What was hidden behind the secret reports? How was the agent network created abroad? Finally, who was the main character who remained in history under several names? For the first time, the whole truth about how Soviet military intelligence operated at the beginning of the XX century.