This is a documentary about the father of a miner. In 1955, more than 300 young people from Shanghai came to Sanlidong Coal Mine in Tongchuan City, Shanxi Province with the hope and dream of supporting the construction of the Northwest. After 50 years, most of the builders of that year were gone. In the land where black coal is buried, the fate and breathing of the miners are always stirring. The film uses 15 clips to record the old miners, the deceased and the era that is still living in the area, witnessing the tenacity and dignity of life with a group of miners. They are: Shu Guoqi, Gu Longxiang, Shen Longgen, Wang Zhengxiang, Yao Hongchang, Ge Dengfa, Zhang Baisheng, Lu Rongchu, Zhou Shougen, Luo Shijun, Ding Fuzhen, Tong Guang, Gao Zhangshun, Chen Yixiang, Zhu Yongsheng.