Architect Zhang Wenxuan is working hard to build a landmark hotel plan, and is also looking forward to the wedding with his fiancé Lin Hai. However, after the engagement party, he discovers a double betrayal - Lin Hai not only secretly sold the core design to Mr. Li, the president of a competing product, tampered with key parameters to reduce costs, but also secretly transferred the two people's joint deposits. From the initial collapse to the rapid awakening, she relied on her professionalism in architecture and teamed up with her lawyer best friend Lin Xi to set up a line of defense: restoring the metadata of deleted files, fixing surveillance evidence of stolen images, retaining exclusive wind tunnel experiment data, and archiving three years of design traces into a chain. At the industry summit, she called up the chat records, BIM model comparison pictures and recordings in public, and used the "Technical Regulations for Concrete Structures of High-Rise Buildings" to expose the lies, leaving plagiarists with nowhere to hide. In the end, Lin Hai's...