Chen Weidong, a young man at a machinery factory, possesses mechanical expertise decades ahead of his time. After escaping exploitation by his outrageous relatives, he opens his own shop and proves his worth through exceptional technical skills. When faced with false accusations, he clears his name with complete financial records and earns an official permanent worker position by repairing a precision machine tool. He repeatedly solves equipment problems and takes on corrupt forces within the factory. Working strategically alongside his partners, he rises from a destitute apprentice to a nationally renowned model of industrial technology.