The mid-nineteenth century. Having dealt with the Polish insurgents and effectively pacified the Caucasus, the Russian Empire began preparing for a decisive push into Asia—Emperor Alexander II intended to expand the boundaries of the State to the east with a sword.
For collecting the freshest information about the distant and in many ways still unknown land, the captain of the General Staff Fyodor Kuterigin arrives at the border with Turkestan. From the first days of his mission, he finds himself in the thick of tense, dangerous events and tangled intrigues, and by sheer chance becomes involved in one of the mysterious secrets of the East—the recipe for Avicenna’s balm, which allegedly grants immortality and is inseparably connected with an ancient map of Asia needed for the success of military expeditions. Loyalty to duty, outstanding courage, and natural shrewdness help Kuterigin unravel the intricacies of Asian intrigues. The death of fellow fighters, treacherous betrayal, brutal hand-to-hand and saber duels—the whirlwind of adventures in pursuit of the secret of the ancient map sweeps up our hero and carries him farther from Russia: first across deserts and mountain passes into Afghanistan, then into the mysterious India, and from there—through Arabia and Egypt—into Italy…