Everyone's dreams are projections of the unsolved mysteries deep in their souls, hiding emotions, desires, fears and unfinished business. Every memory is worth recalling and collecting. Su Xiaoning, a child from an ordinary family, is a No. 3 Student who is full of curiosity about dreams. She sometimes dreams about life and sometimes has no dreams. What do dreams mean? What is it telling? Every dream is like being pulled by an invisible force, exploring the boundary between oneself and the unknown, but little do they know that reality is the root of everything...
