Autumn 1941. Miraculously escaping from the Kiev boiler, investigators from the military prosecutor's office Rokotov, Mirsky and Elagina arrive in Kharkov, where evacuation is already in full swing. They have in their hands important information about the activities of the German espionage organization. New circumstances force them to linger in Kharkov. Indeed, together with the enterprises being evacuated, under the guise of refugees, further groups of German saboteurs are moving further east, whose purpose is sabotage and sabotage at military factories. Trying to open the channels for transporting scouts to the Soviet rear, Rokotov and Elagina find out that the organization operating in Kharkov is directly related to the Kiev group that they discovered a few hours before the city was surrendered. And the curator of both of these groups occupies a high post in the Main Military Prosecutor's Office.

The story revolves around the hatred between two step sisters, Nadya & Irina, who are in love with the same man, Igor. Blinded by jealousy and hatred towards Nadya, Irina frames her in a murder and separates her from Igor. However, Nadya returns to expose Irina and win back her love and respect.

Young healer Draha finds a mortally wounded man in the wood. It is not clear from his appearance and clothes what tribe he belongs to. Due to Draha's healing skills, he manages to survive but he does not remember anything about his previous life. Draha names him Vlad.