In a high-end apartment in Chongqing, all kinds of people gather. They spy on each other's lives and are also spied on by each other. "Curiosity" spreads among them. At a time when they don't know, in the dark corners that they can't see or touch, it is gradually expanding, leading them to an unknown direction... The little sister (played by Lin Yuan) in the photo shop has the opportunity to see the living conditions of the rich because she often delivers developed photos to the rich residents in the apartment. But what she really cares about is a little security guard (played by Liao Fan) who lives in the garage. On the contrary, the little security guard she has a crush on is very curious about and yearns for the lives of the rich. One day, a young and beautiful woman Liang Xiaoxia (played by Song Jia) moved downstairs of the apartment. She opened a nail salon. Her arrival attracted the attention of the little sister. The little sister soon discovered that she had an affair with Mr. Zheng (played by Hu Jun), a resident of the apartment, while Mrs. Zheng (played by Carina Lau), who was born in a wealthy family, seemed to be unaware of it. Her life focused on her son and growing roses. On the surface, the life of the three members of the Zheng family is very peaceful. Mr. Zheng, who was born in a poor family, found a shortcut to wealth because of his marriage with Mrs. Zheng, but he was not satisfied with this peaceful status quo and the life of living under someone else's roof. He got acquainted with Liang Xiaoxia and his emotional life went astray. After that, some strange and terrible things happened in the Zheng family one after another, making the Zheng family's life uneasy and fearful. Mr. Zheng suspected that all this was done by Liang Xiaoxia, and the stubborn Liang Xiaoxia did not deny it, and used these strange events to force Mr. Zheng to be with her. Liang Xiaoxia's tight pressure made Mr. Zheng at a loss...