Sophie, a rebellious high school girl who ran away from home, broke into the home of Lu Hang, who had just entered the society in Beipiao, Beijing, late at night. "Brother Lu Hang, don't you remember me?" It turned out that they had met eight years ago. But does this young lady, who has been pampered since childhood, know the dangers of this society? Fortunately, Lu Hang is not only a good guy, but also a slow-witted straight man. The willful Sophie actually hides many secrets. They always say they like it, but being together is not that easy...