The male protagonist of this film, Mu Hao, is a famous hypnotist in China. He is calm and responsible, and is loved by many people. The female protagonist Qin Shuang is a nutritionist who works hard to make money to help her mother treat her illness. On this day, Mu Hao participated in an interview program, but was revealed by the host to have severe insomnia. Afterwards, Mu Hao learned that it was his personal nutritionist, Qin Shuang, who gossiped about his insomnia. Mu Hao was very annoyed and quarreled with Qin Shuang. As soon as the two met, they had conflicts and were incompatible. Because of the contract, the two had to get along for a day. Who would have thought that one day would make the two develop feelings. That night, Mu Hao proposed to Qin Shuang. But the next morning, when Mu Hao saw Qin Shuang again, Qin Shuang remembered nothing. Everything had to start over, but Mu Hao was not surprised, as if this was all within his expectations...