The final part of a fascinating trilogy. Andrei Rusakov, a former special forces officer who found himself in the 17th century in the territory where there was a bloody war between the authorities of the Polish-Lithuanian Commonwealth and the rebellious Hetman Khmelnytsky, achieved the implementation of his plans. For their sake, he entered the service of the richest tycoon, Prince Vishnevetsky, introduced the production of new types of military equipment, and played a subtle, at times insidious diplomatic game. All his activities were subordinated to a great goal: to change the course of history in order to reconcile Russia and the Polish-Lithuanian Commonwealth, to save these states from many troubles and suffering. Incredible efforts, precise calculations, endurance and composure led to tremendous success. However, Andrey, with all his intelligence and experience, could not foresee how it would all end...