The film tells about the problem of aging of the human body, about the influence of genetic, socio-economic factors, negative and positive emotions on longevity, as well as the ways of development of modern science that studies aging, about the searches of scientists aimed at increasing the longevity of people. Elderly Abkhazians dance, drink wine. Photo of a northern long-liver. Map of the USSR showing the areas where most of the centenarians. Photo of the Decembrist N.A.Morozov, who lived in prison for 20 years and lived to be 92 years old. Photos of the Gogol twins who lived to be 98 years old. Streets of New York. Interview with scientists gerontologists. Academician DF Chebotarev talks about the experience of freezing people. Professor Mankovsky talks about the influence of the environment on the process of longevity, about the influence of emotions on all functions of the body. Demonstration of an experiment on a rabbit showing that an active lifestyle prolongs life. Laboratory at the Institute of Gerontology. Laboratory assistants at the instruments.