"After Chongxi, the Sick Husband Lost His Waistcoat" tells the story of a modern woman, Shen Zhiyi, who traveled through time and became an abandoned daughter of a marquis mansion, and was forced to marry Gu Linyuan, a sickly merchant from Jiangnan, Chongxi. The two started out as non-interfering partners. She used modern wisdom to help him revitalize his family business, from a rouge shop to building a business empire; he secretly helped her resolve crises many times, and gradually showed his strength under the appearance of frailty. As the business expands, Gu Linyuan's identity becomes increasingly suspicious, until a storm sweeps through the court, and he is forced to uncover the hidden vest - he is either a prince or a general, and finally confronts her frankly. The husband and wife teamed up secretly, she strategized in the business battlefield, and he fought in the maelstrom of power to defeat the situation, and finally reached the top of power together, but chose to return to the original intention of Jiangnan, join hands for the rest of their lives, and live the legend into ordinary fireworks.