ДНК S05E36 - Выпуск 595. Чужой и матери, и отцу?

Three people at once applied for a genetic examination for a boy who is not even two years old: his grandmother, father and even mother. The man does not recognize his son and is sure that his wife gave birth to another. The mother and grandmother insist that the boy was replaced. So is a baby growing up in his or someone else's family?