The first postwar years. The Director of a small breeding station Avdotya Pavlovna is not immediately convinced of the anti-science of the official Lysenkov direction in biology. But making sure leaving the farm as an ordinary agriculturist, where he works on breeding new wheat varieties on the basis of the persecuted Lysenkova chromosome theory of heredity.
as Иван (директор школы)
as Нюра (подруга Авдотьи)
as Авдотья Павловна Белобородова (селекционер, агроном)
as Hина (учитель ботаники)
as Сергей Петрович Шамрай (профессор)
as Самуил Яковлевич Горбис (селекционер)
as Паша