After Tulyev's arrest, Soviet counterintelligence continues the radio game with the enemy, sending encryptions signed "Nadezhda" to the Western intelligence center. KGB officer Sinitsyn, friendly towards Tulyev, tries to persuade him to take his side — he arranges a meeting to a scout with Mariya and her son, whom he has never seen before. In addition, Mikhail learns that his father didn't die of his own death, but was most likely killed. Meanwhile, a young Soviet scientist Borkov, who spoke at an international conference about his innovative work, finds himself in the spotlight of the Western security services.

Георгий Седов is a movie based on the true story of Georgy Sedov, a Russian polar explorer who set out on a daring expedition to the Arctic. The film follows his journey through the treacherous ice and extreme weather conditions as he battles to survive and achieve his goal of reaching the North Pole.

From the childhood Natasha Korolyuk showed talent for music. She graduated from the conservatory in a small town and was ready to begin new and exciting activities. But her life plans changed when she met pianist Alexander. She married him and moved to Moscow. But soon the girl realizes that her husband is the usual mediocrity and seedy bohemian who wants to live idly. Active Natasha does not want to cast in lot with this man and returns to her homeland.