The film tells the story of Xu Ying (Qian Yuxi), a graphic designer in her early 30s, who suffers from tinnitus and dizziness, as well as uneasy factors such as being an informal employee and problems with her family. It is very difficult for her to work in a high-level office on the 42nd floor. Although he enjoys a sweet office romance with Zhenxiu (Liu Taixiu), who is very popular in the company, the relationship is also in jeopardy. One day, Xu Ying and the man (Zheng Zaiguang) who leaned on a rope like Spider-Man in the urban buildings looked at each other through the glass window, and gradually the man began to grasp her tired heart.