Klystron hall. Bunker. Magnetic hall. Commissioning of the world's largest foundry electron accelerator for an energy of two billion electron volts. The head of the adjustment, Academician K. Sinelnikov, talks with employees. The plot is dedicated to the architect Ligia Stapulionene: Ligia with her son, driving a car, in a design office. Furniture and interiors of apartments by Stapulionene. The hall of the Vilnius Library, designed by the Ligia. Turkmenistan. Ashgabat city. The streets of the town. 1948 year. Footage of the earthquake that destroyed the city. House on springs. Employees of the seismological laboratory are conducting a seismological stability test at home. The plot tells about the creation of a television studio "Thank you" in the city of Lviv, which repairs TVs for free. The building of the concert hall. Tchaikovsky. Posters on the building. Dance "Lyubtrava" performed by artists of Siberia. Performance by the Omsk Folk Choir. Russian dance.