SwiftDeliver heir Lucien Voss needs to marry due to a family business crisis. He meets delivery rider Shayna Lynn; they sign a fake marriage. They develop feelings but are framed by the Su family and his stepmother. A debt trap by his younger brother shatters their relationship. Shayna writes *The Algorithm of Human Nature*. Lucien comes to his senses. They expose the conspiracy, achieve success, and find true love.