The enemy is smart and cold-blooded. His arsenal includes logic, perseverance and precise calculation. He is confident that he knows how to defeat us in this fight. But the enemy does not take into account one thing: standing in his way are super-professionals in their field, people of risk, honor and unbending will - Soviet counterintelligence officers. The end of the fifties. According to Soviet agents, in one of the large cities of Germany, under the guise of a lawyer’s office, the headquarters of an extremist organization is operating, gathering fascist underdogs under its banner. Their goal is the revival of the Reich and a new war with the communists. State Security Lieutenant Matvey Sablin receives the task of entering the Nazi underground and neutralizing its most active members. The task is not easy, but the newly minted illegal has a whole arsenal of time-tested techniques at his disposal. For the upcoming operation, Matvey decides to choose the most unusual of them...