Fifty-year-old Vladimir Ivanovich Prokhorov, relieved of his worldly possessions, takes a journey back in time. Accompanied by a traveling companion barely half his age, he revisits the people and places of his youth and witnesses the dark forces that shaped the 20th century.

Not young bus driver goes to the next trip. In this trip he recalls his childhood during WW2. But there is another danger people among passengers of the bus.