Ilya Drokanova’s new historical novel continues the theme begun in the author’s previous book: “The Armor of the Baltic.” Dedicated to the activities of Soviet military intelligence officers and built on materials little known to our readers. The time period of the events taking place covers more than a quarter of a century: from 1917 to 1945. The storylines lead from battles on the fronts of the Civil War in Russia to Germany and Sweden in the 1920s, to the events of the anti-fascist struggle in Spain in 1936–1938, to the conference of the anti-Hitler coalition in Morocco in 1943, to battles in Northern Europe at sea and on land during the Second World War. Among the heroes are a Soviet intelligence officer under the pseudonym Ferz, his leader captain of the first rank Tikhonov, a beautiful and brave woman Christina Tamm and even the head of intelligence of Nazi Germany - the Abwehr - Admiral Canaris... The presence of real political figures - the “Valkyries of the revolution” Larisa Reisner, Tsarist Navy officer Vladimir Stashevsky, who joined the ranks of Soviet intelligence, People's Commissar of the USSR Navy Nikolai Kuznetsov and a number of others - increases interest in the book among lovers of military historical literature. The author devoted many years to naval intelligence and is familiar with its history and modern state, his patriotic book will attract many “moremans” and lovers of books about special services.