Maxim Shugaley and Samer Sueifan are finally returning to Russia after a long captivity in the Libyan prison "Mitiga". A few months later, a former bank manager in Tripoli, Farid, comes to Shugalei and offers to meet in Egypt — he has new information about terrorists in Libya. But the meeting of friends in Cairo will not take place. To help Farid avoid his own fate, Maxim will have to postpone his plans for a while…

During the next duty, patrolman Vera Sedova single-handedly prevents a tragedy at the college, but a student dies in the process. She claims that the guy had a sawed-off gun, however, no weapons were found. The policewoman is cursed by her parents and the public. The only one who becomes humanly sorry for Vera is the appointed lawyer Ilya Nesterov. Ilya is more and more immersed in the case and is convinced that his client may be right.

Seventies. The cold war in the midst of the USSR and the West are fighting hard for secret information about each other. Soviet intelligence agencies want to save their couriers from too much attention of customs officers at the Leningrad airport. These couriers deliver to the USSR important documents obtained by our scouts in Western Europe

Petrograd, Soviet Union, 1920s. Boris Letush, devastated by a personal tragedy, feels the need to put his conscience and his principles before the demands of the cruel system he serves, where law and justice are systematically ignored.