Since the adoption of one-child policy in China, thousands of families in China have suffered when the only child died accidentally. The Chinese society realize but never pay attention to this problem. The story describes a divorced mother who lost her only son. She lived in miserable and the only comfort comes from phoning her son with his old number and talking to his virtual son on phone even though she never got through the line. The surprise came one day as the line is suddenly through. The number was reused by a young boy who worked as a plumber. The story captures the mother's emotion toward the boy and the newly connection build between the boy and the mother.