ДНК S09E83 - Выпуск 1274. Сестра, которой не было?

A resident of the Saratov region hoped to find a sister and brother, but she heard a zero result of a DNA test. After the program aired, a stranger called her and said she knew her real sister. However, the alleged sister herself had heard several versions of who her biological mother was. Will the women turn out to be related by blood?