The story happened in the late Qing Dynasty, Kunming lights line the small boss Zuo Yuxuan inherited the father-in-law adult lamp business bring home the bacon in the small town, a small real time. With free trade frequent contacts, the French to the Qing government proposed hydropower station in Dianchi's plan to export, Yunnan Road Station Liu Chengguang to this a good thing that falls in the hands of foreigners, to find private lamp boss Zuo Yuxuan and university professor Shen Zhongda counsel, to Chinese industrial spirit of their financing the establishment.