The film tells about the history of the creation of the world's largest walking excavator at the Ural Heavy Machine Building Plant named after S. Ordzhonikidze and the fate of its designers and crew members during the perestroika period. Hall of the Museum of the History of the Uralmashplant. A working model of a walking excavator at the stand. The head of the museum funds N. G. Obukhova tells about the history of the excavator (sinhr.). The chief designer of the walking excavator V. G. Nikolaev, the head of the department of walking excavators at UZTM V. L. Raskin, the members of the excavator's crew talk about their work (sinhr.). Singer T.S.Antsiferova recalls her youth and the songs of those years (sinhr.), Sings songs (behind the scenes). Newsreels: walking excavator at work. Destroyed excavators in a landfill.