Yunxiu, an embroiderer from Jiangnan, was extremely skilled in her craftsmanship, but she was mistaken for the fiancée of the prince of the Hou family because of a wrong engagement brochure. In order to save the family's face, she bravely took over, but found that the prince Xie Lin was a "sick" young man who hated red tape and wanted to avoid the world. The two made mistakes and agreed to be a superficial couple. However, when true love quietly grows in the exchange of needlework and the singing of poems and paintings, Yunxiu's true identity is on the verge of being exposed, and it also involves the shocking secret of the wrongly delivered brocade book...