The unknown novelist Nanzhu (Xie Kaiyu), who lived in 2016, rented an apartment that was a bit strange but stylish and tidy in decoration. The most important thing was that the rent was super cheap, but nothing would fall from the skyCake, this kind of good thing naturally won't have any good results. Soon, Nanzhu discovered something unusual in the apartment. Unfolded blankets will automatically be folded, forgotten TV will automatically close, and even the bathroom door will automatically closeOpening it, Nanzhu was quite frightened, thinking that there was a ghost at home, but in fact, there was chaos in time and space. It turned out that the previous anomalies were all girls named Fang Yi (Chen Meiqian) who also lived in this house in another time and spaceThe ups and downs of life, although invisible, can influence each other in their daily lives. The misunderstanding was resolved, and the two of them were under the same roof, eating and living together. They conveyed information through notes and message boards, and also through their homesThe landline phone call, curiosity and sweetness, companionship and care, slowly gave birth to the love in their hearts.