In the border zone of the Soviet-Polish state border, gangs of the Organization of Ukrainian Nationalists operated. Captain Olkhovik was given the task of infiltrating the OUN gang.

A murderer is using every possible trick in his efforts to escape from justice. He is extremely crafty in his ways of infiltrating the government. He becomes a politician with growing status and influence and an official immunity from prosecution.

The action takes place at the beginning of the 16th century. The rich Belarusian lands that are part of the Grand Duchy of Lithuania, located at the intersection of trade routes, are attacked by Tatars. With rapid raids, the Crimean cavalry reaches all Belarusian cities without exception. The conquerors stormed the fortress, robbed, stole the population into slavery, leaving behind ashes. On the way, the troops of the Crimean Tatars, among the few who have not yet been defeated, stand up to the brave squad and brave residents of the city of Slutsk, whose defense after the death of the husband of Prince Semyon Olelkovich was led by Princess Anastasia Slutskaya.

A criminal story about how a KGB investigator tries to rehabilitate an innocent-convicted Red Army soldier and when she manages to prove his innocence - the power in the country changes and it is removed from further investigation.