After her husband passes away, Cheng Xiulan single-handedly builds the Cheng Group. She plans to gift her son shares in the company at his engagement banquet. But Li Zhiyuan, eager to curry favor with the powerful Shao family, publicly lies that his mother is merely a housekeeper and tears up the share transfer agreement. The engagement banquet descends into chaos. Li Zhiyuan then conspires with shareholders to spread rumors and force his mother to step down. Cheng Xiulan gathers evidence and reports them to the police, prompting an investigation into everyone involved. Finally, she lets go of her attachment to the mother-son relationship and distributes her wealth to charitable causes in stages.