A coal merchant for 12 years in rural area of northern China's Hebei Province followed his son to transform to solar power installer. They are the living example of China's energy transition happening on the ground and demonstrate a new way of life for the thousands of small coal merchants who are going bankrupt. 

讲述河北农村地区从事12年煤炭加工生意的父亲跟随儿子转型光伏生意的故事。他们为全国数以千计正在面临关停和倒闭的小煤商们，提供了一种能源转型的新型生存之道。