ДНК S06E05 - Выпуск 722. Шестая сестра?

At the age of 18, she realized that she was born a different person, and tried to find out the secret of her birth. However, all her attempts turned into a failure. Only 20 years later, a woman who refused to recognize her granddaughter decided on a genetic examination. Why had she kept silent for so many years and what was she hiding?