In 1984, Fang Mu, a man who had accomplished nothing in life, is reborn. In his previous life, he became an alcoholic and abused his wife, causing her to suffer a miscarriage, divorce him, and eventually die in depression. Given another chance at life, he resolves to turn over a new leaf. Starting with collecting scrap, he uses his knowledge ahead of its time and repair skills to gradually build his fortune, provide a better life for his wife and children, and make up for the regrets of his past life.