Shen Qiulan, chairwoman of Jiayue Group, conceals her identity and works as an executive vice president of engineering at her younger brother Shen Jiancheng's company to help him gain experience. After her brother gets engaged, his fiancée Zhao Meiqin and her father Zhao Dehai seize the opportunity to take control of project authority, repeatedly violating regulations during construction. Shen Qiulan decides to stop covering for them and presents evidence to expose their misconduct, piece by piece. After weathering a series of crises involving model selection, construction quality accidents, and fraudulent financing, Shen Jiancheng finally comes to his senses, acknowledges his past mistakes, and rebuilds the company's management system. Together, the siblings protect the Livelihood Center project and embark on a new journey.