Science-fiction writer Mikhail Karpov, a former riot police sniper, gets into a terrible car accident in 2018, loses consciousness and miraculously comes to his senses in 1970. This is the year of his birth. Karpov wanders around his native Saratov, admires the clear, deep Volga, enjoys real ice cream, remembering his childhood, and tries to understand what Providence wants from him. He believes that higher powers threw him into the past... but for what purpose? Is his mission really to save the Soviet Union from collapse? After some doubts and hesitations, Mikhail decides: yes, he will devote his life to saving the USSR. And it’s much more profitable to be a science fiction writer in the Land of the Soviets...