In order to resolve the family crisis, Lin Yue'er signed a one-year "marriage agreement" with Shen Yixuan. The two agreed to love each other in front of each other and not interfere with each other in the future, and they would divorce automatically when the time was up. Shen Yixuan thought this was just a cold deal, but he didn't know that the bride was his childhood playmate "Little Moon" who he had been looking for for many years. And Lin Yue'er never thought that the rumored ruthless King of Hell in the business world would actually be the "little star" she tenderly guarded in her memory.
After marriage, Shen Yixuan restrained her with harsh terms, but couldn't help but follow her every move; Lin Yue'er appeared to cooperate with the acting, but secretly used the illustrator vest "Yue Ye" to record this absurd marriage, and her work unexpectedly became popular. When the agreement is about to expire, Shen Yixuan discovers that the illustrator who made his heart beat is his "contract wife", and Lin Yue'er finally recognizes him as Bai Yueguang, whom she lost in childhood. At this time, the conspiracy of business rivals, the pressure within the family, and the "agreement" that had already deteriorated, brought the relationship between the two to a final decision...