Architect Zhang Wen Xuan has poured her heart into designing a landmark hotel, while dreaming of her wedding to her fiancé, Lin Hai. But after their engagement party, she uncovers a double betrayal: Lin Hai has secretly sold her core design to Li, the president of a rival company, altered crucial specifications to cut costs, and quietly transferred the savings they held in a joint account. Shattered at first, she quickly comes to her senses and draws up a defense with her lawyer and close friend, Lin Xi. She recovers metadata from deleted files, secures surveillance footage of the stolen designs, preserves her exclusive wind-tunnel test data, and organizes three years of design records into a chain of evidence. At an industry summit, she displays chat logs, side-by-side comparisons of BIM models, and audio recordings, then uses the Technical Code for Concrete Structures of Tall Buildings to expose the lies and leave the plagiarist with nowhere to hide. In the end, Lin Hai’s…