en Cuevana 3. Masha is a young girl from the suburbs from an extremely poor family. She lives in her reality, where she cares for her grandmother and her younger brother, and dreams of her own family and a husband; she badly longs for warmth, love and care. She knows nothing about her serious illness. Her life abruptly changes after a meeting with Matvei Sergeevich, a cardiologist who saves her life.