Talking in the dream is Fei Fei, Fei Fei is talking in the dream, there is one person in the dream, and there is another person outside the dream.
Feifei, Chulian, Yachun, and Qingmei came to the university and came to the same dormitory. However, in their sleep, another person came to the dormitory and talked to Fei Fei every early morning. In fact, this person was either someone else or Fei Fei himself. The dream can no longer be distinguished from the inside out, and the story between them unfolds, inside and outside Fei Fei's dream...