A film about the origin of biospheric, ecological thinking at the turn of the 19th and 20th centuries. Institute of living matter. Sea urchin egg through a microscope. Stone woman in the steppe. Portrait of V. V. Dokuchaev. Dokuchaev's voice. Film group together with Doctor of Biology A. N. Tyuryukanov, Doctor of Geology and Mineralogy F. Ya. Shipunov and V. Yakunina.