About the book: 2015 / After the annexation of the Crimean Khanate to Russia in the summer of 1783, the situation on the peninsula remained difficult. The Islamic underground, with the support of Turkey, continued its illegal activities. Therefore, Anastasia Arzhanova, a secret and most experienced agent of Empress Catherine II, a specialist in the East, is sent to Crimea as a resident of Russian intelligence. When the queen travels through the southern regions of the Russian Empire in 1787, Arzhanova is entrusted with ensuring the safety of the empress in a restless, recently annexed region, and she copes with this task brilliantly. The Second Russian-Turkish War begins. Arzhanova receives a new important task - to obtain secret drawings of the Ochakov fortress in Istanbul, which our army will besiege. Returning to Russia with the drawings in November 1788, the young woman takes part in the famous assault on Ochakov and again meets with her former lover - Field Marshal General His Serene Highness Prince Potemkin-Tavrichesky. The novel is the fourth book in a series telling about the adventures of secret agent Anastasia Arzhanova.