Bai Shujin (Bai Baihe) left her hometown to work hard. In order to have a better life, she gave up her dream of working in the book industry and switched to real estate brokerage. However, she did not want to achieve poor results and encountered strong rivals in the workplace. In her tenth year in Beijing, Bai Shujin suffered setbacks, career stagnation, bad relationships, skyrocketing rents, and worsening mother's illness. At this time, her roommate girl (Zhang Zifeng) who had just arrived in the big city to work suddenly broke into her life. Bai Shujin seemed to have found herself ten years ago in this girl. At the same time, she also met her colleague Zhong Yao (Wei Daxun), who was seven years younger than her. Gradually, she began to change...