After the death of her son, the woman decided to take her grandson under her care. But before that, she wants to undergo a genetic examination with him, as she doubts the fidelity of her daughter-in-law. A mother with many children makes excuses – she always loved to take a walk, but she never cheated on her husband. Who will an eight-year-old boy stay with? With Mom? Grandmother? Or in an orphanage?