In the documentary essays, the interesting and dramatic fate of the intelligence inspectors of the era of the Ukrainian Revolution of 1917-1921 and the period of the activities of the national intelligence services in the conditions of emigration were recreated. Author's stories are based on declassified documents from the archives of the Foreign Intelligence Service of Ukraine and the Security Service of Ukraine, scientific, memoir and other sources. Photographs from the sectoral state archive of the SZR of Ukraine (published for the first time), the branch state archive of the Security Service of Ukraine, Central State Archives of Civil Aviation of Ukraine, TsDIAZU and open sources are used. Consultant - Volodymyr Sidak, Doctor of Historical Sciences, Professor, Corresponding Member of the National Academy of Pedagogical Sciences of Ukraine.