Project cost supervisor Xu Ran designed a 90-million national-standard plan for her company, yet rookie Xia Mo publicly accused her of kickbacks with a low-cost AI proposal. Boss Chen Kai replaced her to cut 40 million in costs. Xia Mo’s shoddy building materials caused the project to collapse. Strategizing quietly, Xu Ran forced the supplier to pay triple compensation via official test reports, compelled Chen Kai to transfer his equity, took over the company, and led it to IPO, proving integrity outweighs profit.