Rushing to Beijing, the father finally saw his son in a small inn. The son was in the late stage of uremia. He crouched in the quilt with a hoarse voice; he hadn't received any treatment for days. His face and limbs had obvious edema symptoms, his vision began to blur, and he had difficulty breathing; The son said to his crying father: few young people in this world can be as filial as me, you should be proud of me...