ДНК S08E109 - Выпуск 1144. Кто настоящая Анна?

Anna, a resident of Tyumen, found out that another Anna lives under her identity in Millerovo with exactly the same personal data. Absolutely everything matches between the two Ans, from the date and place of birth to the data of both parents. But Anya was raised by her mother, and the other by her father. Where did the second Anya come from? Did Mom really give birth to twin girls? Or is one of them someone else's? But then which Anya is the real one?