For three years, Su Yunxi spent her entire family fortune supporting her husband, Chen Jingming, as he prepared for the imperial examinations. After he passed with the highest honors, however, he ingratiated himself with the Prime Minister's daughter and decided to divorce his wife, claiming her humble origins made her unworthy of him. Heartbroken, Su Yunxi personally writes a divorce document and cuts all ties with him. Taking her family's former retainers with her, she rebuilds the family business, achieving one success after another through her exceptional business acumen. As she faces Chen Jingming's relentless suppression and becomes entangled in the internal power struggles of the Marquis's household, she joins forces with Zhao Heng, heir to the Marquis of Jing'an. Together, they overcome crises and open up trade routes between the north and south. From a divorced merchant's wife, Su Yunxi rises to become a legendary businesswoman renowned throughout the capital, while finding a sincere relationship with someone who stands as her equal.