Song Zheng, chairman of Jiangcheng Zhenghua Group, harbors an ideal to serve the country through industry. To support his younger sister Song Yu in her entrepreneurial growth, he hides his identity as chairman and silently escorts Xiaoyu Group for five years as an ordinary finance staff member. Facing the greed and scheming of his brother-in-law's family, he adheres to principles and bottom lines, refuses to condone crooked thoughts, and safeguards compliant business operations. After going through twists and turns, Song Yu recognizes human nature, sheds her innocence, adheres to corporate responsibilities, and improves the company's management system. The brother and sister stick to the right path, join hands to develop national enterprises, protect corporate and collective interests, achieve self-growth, and jointly run toward the bright future of industrial development.