ДНК S08E47 - Выпуск 1082. Сестра из Интернета?

Two years ago, a resident of the Kurgan region received a message that still haunts her. A man who introduced himself as her mother's brother wrote to her. But the more she learned from her alleged brother about his mother, the more she doubted that he was talking about her mother too. Who is the woman's supposed sibling really?