1943. Junior Lieutenant Yegor Ivashov is assigned as an operative of counterintelligence SMERSH to one of the units of the Voronezh Front. On the eve of a major offensive by Soviet troops, it is necessary to identify and neutralize a German spy network operating in our rear. But first, Ivashov has to determine the circumstances behind the strange death of his predecessor. It’s believed that the man died through negligence, but Yegor is sure: this was the work of Abwehr agents. The only question is—who are they?
A young operative begins searching for the enemy, not noticing how, with each step, the investigation draws closer to an unexpected and terrible ending.