Five passengers - the Bandit, his friend Matvei, Matvei's old father, the Musician, and a young woman - race along an empty road in a big black jeep, searching for the Belfry of Happiness which, according to hearsay, lies somewhere between St. Petersburg and the town of Uglich, near a deserted nuclear power station. The Belfry takes people, but it does not take everyone. Each of the five passengers believes that he or she will be chosen.
Yesterday's Leningrad schoolgirl Masha Yablochkina, after a fierce blockade winter of 1941-1942, comes to the railway courses hoping to survive and gain strength. From there, the girl is sent to the construction of the Shlisselburg highway, which connects the city with the mainland and is in direct sight of German artillery. So the heroine gets into the 48th locomotive column of the special reserve NKPS, which, at the cost of the deadly risk, will have to deliver 75% of all cargo and military equipment to Leningrad.
After a conflict with her future stepfather, Lera decides to find her real father at all costs.
