ДНК S06E101 - Выпуск 818. Тайные дети одной матери?

Friends told Tatiana, a resident of Primorsky Krai, that her sister from Krasnoyarsk was looking for her in social networks. But the woman has always been the only daughter in the family. There is little evidence of their relationship: the same mother's name and a photo that seemed familiar to Tatiana. Did the mother hide her own daughters from each other all her life?