RUSSIA. Gordeyevka. Inside the area contaminated by the nuclear accident of Chernobyl in 1986. Olga suffers from an irregular heartbeat, for the first time researchers are studying non cancerous and non genetic illnesses ( predominatly heart disease, cataracts and ulcers) in the contaminated zone, in order to ascertain whether or not there is a link between them and the radiation released. Olga is part of the study group.