Xie Yanxin formerly known as Liu Yanxin. His love and his childhood girlfriend, Lan E, the final preparatory marriage, was the opposition of the father of Lan E Xiezhao Yu, because family Xiezhao Yu Lan E a daughter and a little boy Kazuhiko girl. If Liu Yanxin and orchid E marriage, on the must be the change of surname, Liu Yanxin called Xie Yanxin. Finally, under the auspices of the grandfather in the village celebration. There is a compromise, Lan E and Liu Yanxin can get married, but born a man surnamed Xie, born a woman surnamed Liu. Xiezhao Yu listened to this result, and he angrily returned to the mine. Lan E and extension letter married. Xie Lane gave birth to daughter had postpartum wind forty days after he was dead. Liu Yanxin while raising her daughter, side Kazuhiko girl, the mother of his dead wife Feng season flowers and silly brother-in-law home to take care. Five years later, father-in-law Xie Zhaoyu work in the mine suddenly suffering from a stroke, dying. Change in England, he took his mother-in-law, Kazuhiko girl and five-year-old daughter came to the the Jiaozuo care of seriously ill father-in-law. His father-in-law has been paralyzed in bed, he saw the extension of the letter, very disgusted, have been giving him trouble, the extension of the letter or has been careful to wait on his father-in-law, to wait on his carefully refined touched his father-in-law and his side of the patient doctors and nurses, medical treatment, in order further to his father-in-law everywhere to find the recipe to cure father.
 

extension of the letter to take care of his father's condition has become increasingly better. Mine in order to take care of their lives, decided to let him replace the father as a miner, on condition that his surname Xie, extension letter has done much to change the surname. Because the family had no money, can not give his daughter to treat eye, makes the eyes of her daughter changed the English, became a permanent disability, daughter does not understand he has not called his father, the well, the extension of the letter at considerable personal risk, adventure to save the people of the whole group. He used the first month's wages, to the father-in-law bought a small radio. He returned home and widowed Xie powder incense became a pro. They were each married with a family to live the two suddenly increase the burden of life. He began to dig wild and to the cafeteria to pick leaf vegetables; cycling over 300 miles in order to save the ternary ticket money, they drop on their own doorstep. When the father-in-law lives come to an end, his arms Xieyan Xin said: I am contented, God let me have the best son of a world.
 

Finally, Xie Yanxin disease to in a coma, he heard the voice of the daughter calls "Daddy". Xie Yanxin wake. He was excited to see their relatives and mine leadership, and leadership on behalf of the party in the mine to give a great deal of attention to extension of the letter. He finally realize their aspirations, he and his family came to Beijing to Tiananmen Square, Xie Yanxin see the image of Chairman Mao in Tiananmen Square, he shed tears of excitement.
 

the things that touched people, he became a model for the National filial love the old pro, and get cordial meeting with General Secretary Hu Jintao.