The plot of Turkish opening

The film is adapted from the novel of the same name by Boris Akunin, the best-selling popular writer in Russia today. It is a blockbuster that mixes epic, detective, romantic and other elements. It is set in 1877-88. During the Turkish-Russian War. Fandolin is Akunin's Sherlock Holmes, a guy with a slight stutter (the stutter is not visible in the movie) and a natural detective sense. To escape his heartbroken love, he joined the Russian army. Unfortunately, at the beginning of the war, Fandorin was taken prisoner. After his fellow captives were killed, he escaped by lying under a carriage in the chaos. It was also during the escape that he learned about the existence of Turkish spies and obtained clues. Later, he met a man named Wavila. woman. She is penniless, but she is going to Russia to find her fiancé.

At the Russian army headquarters, they found her fiancé, but at the same time they discovered that there were many spy shadows within the army, including this woman and her fiancé. All of a sudden, everything became mysterious and unpredictable. How did Fandolin rely on his Wisdom to find out the real spy?