Xu Yicuo, a grade-eight fitter, adopted Xu Yang, an orphan, taught him skills and helped him become the workshop director. However, Xu Yang repaid kindness with enmity and forced Xu Yicuo to retire. Unexpectedly, Xu Yicuo was favored by the female president of the richest family and was personally re-employed by her. He saved the female president's factory and slapped all those who had bullied and looked down upon him in the face with his own abilities.