The film tells about the family of Pyotr Bondarev. The funeral of P. Bondarev. Workers are walking with wreaths, sons Alexei, Nikolai, daughter Vera. Ural Machine-Building Plant. Workers are going to the checkpoint of the plant. The first five-year plan. Clearing the construction site. Digging a pit. Construction of a plant, Dneproges. Guys with accordions go on a platform to construction sites in Siberia, the Far East. Construction of Uralmash: logging, workers with wheelbarrows carry the land. July 15, 1933 Uralmash launch. Workers walk with placards and banners. Meeting. Workshop of the plant. 1941 year. Workers are assembling tanks. Photo of Georgy Bondarev, who died during the war. The eldest son - Alexey at work in the metalwork shop. Factory stadium. Football players on the field. Among them is the son of Alexei Petrovich - Vladimir. Spectators in the stands. The son of Alexei Petrovich, Nikolai, deputy head of the workshop, at the meeting, talks with his father, with workers, in the design bureau. Walking excavator assembly site. The first walking excavator at the construction site of the Volga-Don Canal (chronicle). The Bondarev family at the table.