The protagonist Yao Jiayi, a 26-year-old graduate student, gave up further studies and chose to rent a house and work in Weiying City. She refused funding from her parents and rented an old one-bedroom apartment, hoping to turn it into a cozy home. However, she soon discovered that her neighbors had moved out one after another because a woman had jumped to her death in the next room, and the cause of death was unknown. Jiayi met a neighbor who claimed to be Zhu Xiaoyan, but later discovered that the real Zhu Xiaoyan was dead and the Zhu Xiaoyan she knew was actually a fake.
As the story develops, Jiayi's life is disrupted by Yang Bin from the opposite building. He visits frequently on the pretext of retrieving his ex-girlfriend's belongings. Jia initially had a crush on Yang Bin, but later discovered that he was acting suspiciously and even attacked her during a visit. Jiayi found that her mobile phone was missing after Yang Bin left. The police appeared at home, but she seemed to have become invisible and the police could not see her. Eventually, the police told Jiayi's mother that Jiayi might have been killed, and Jiayi realized that he might be dead, but still in some kind of state of existence...
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.