Synopsis：The male lead, Mu Xuan, is a renowned hypnotist in the country, known for his steady and responsible nature, and is well-liked by many. The female lead, Qin Shuang, is a nutritionist who works tirelessly to earn money to help treat her mother's illness. One day, Mu Xuan participates in a talk show, but the host publicly reveals that he suffers from severe insomnia. Later, Mu Xuan discovers that his personal nutritionist, Qin Shuang, was the one who leaked his insomnia issue. Furious, Mu Xuan argues with Qin Shuang. From the moment they meet, conflicts arise, and they are at odds with each other. Bound by a contract, they are forced to spend a day together. Unexpectedly, that single day sparks feelings between them, and that very night, Mu Xuan proposes to Qin Shuang. However, the next morning, when Mu Xuan sees Qin Shuang again, she remembers nothing. Everything must start over, yet Mu Xuan shows no surprise, as if he had anticipated this all along...