In the 1990s, in Daicheng, Lu Xiaolu worked at a saccharin factory. He was stunned and didn't know where his future and life goals were. I followed a master named 'Bull Demon King' and didn't learn anything at allTechnology. In the fitter's shift, I don't know anything except for tightening screws. In the electrician class, I only know how to change light bulbs. In addition, he also enjoys being late, fighting, flipping over factory walls, and meeting a group of brothers. Until one day, Lu Xiaolu met a factory doctor named Bai Lan, and his life changed as a result