About the book: 2021 / A Soviet illegal intelligence officer operates in the United States under the call sign "Mark". Over the years of work, he managed to create a powerful intelligence network and transfer a lot of valuable information to Moscow. To facilitate “Mark’s” work, radio operator “Vic” was sent to help him. But the newcomer could not withstand the stress of secret life and soon handed over “Mark” to the American intelligence services and surrendered himself. The KGB leadership is urgently developing a plan to rescue its intelligence officer. And the special group “Don” of Major Pavel Semenov is sent to search for “Vik”. For fearless fighters, punishing a traitor becomes a matter of honor…