"Help me stay with my grandmother": this despairing letter from 12-year-old Lera from Samara shocked the editors of the DNA program. For many years, the girl has been living with a woman whom she considers a grandmother. Lera is sure that her dad is the son of her grandmother, who has been raising her since birth. But according to the documents, the girl's father is her mother's ex—husband. Who is Lera's father? And who should she live with after Mom's death?