Male lead Chen Feng was originally an excellent engineer, but unexpectedly returns to the year 1959 and awakens a golden finger system. He enters a machinery factory to work, repairs long-idled machine tools, relies on his own system to win promotion by the factory, and makes contributions for the factory. He delves into various technologies, improves factory production processes, and drives the gradual development of the old factory. Outside of work, he strives to improve family life, cares for his younger siblings at home, deals with various problems, and continuously grows and progresses.