Genius Gu Changfeng is falsely accused by his wife Li Xiufang of stealing her first love’s life. He dies bitter, only to wake in 1980. Even with this second chance, Li again chooses Lu Jianjun. Gu leaves quietly, giving up everything, walking out barefoot.
At his lowest, a man he once saved—Zhao Guoqiang—hires him as chief technical advisor in Shenzhen. There he meets Lin Wan, a researcher who supports him. In three days he solves a transmission bottleneck, boosting yield from 7% to 92% and saving the factory. He founds an institute, shatters a 40-year foreign monopoly on precision bearings, and builds Changfeng Group into a tech empire.
Meanwhile, Li and Lu take over the old factory. Unable to understand Gu's notes, they forge reports and sabotage the West German project, causing its collapse. Her father is paralyzed, Lu turns abusive, and she is consumed by regret.
Years later, at Gu’s 70th banquet, Li works as a waitress and apologizes. Gu, finally at peace, sits with his lifelong love Lin Wan. This tim
