Zhao Xiulan, a 58-year-old retired technician, is betrayed by her niece, Zhao Meiqi. After receiving only 10,000 yuan in dividends, she is kicked out of the factory. With nowhere else to turn, she mortgages her home and starts her own business. Thanks to her exceptional technical skills, she stages an incredible comeback, building her company into a 5-billion-yuan enterprise within just three years. Meanwhile, Zhao Meiqi steals technology and resorts to underhanded tricks, ultimately driving her factory into bankruptcy and losing everyone around her. Reduced to scavenging through garbage on the streets, she finally pays the price for her wicked deeds. Good and evil always get their due. Watch this retired grandmother take on the ungrateful niece who betrayed her!