The heroine Wu Yiyi is an extremely ordinary urban white-collar worker, but she has extraordinary control over dreams and self-suggestion abilities. She has always enjoyed the excitement and wonderful enjoyment brought by various dreams. One morning after she fell asleep, she thought she had entered another childhood dream. However, she found that the people and objects in her dream were inconsistent with the future dates shown on the wall calendar. She wanted to wake up immediately and go to work but found that her phone showed the same future date as the wall calendar. Only then did she realize that she might not be dreaming. With uneasiness and curiosity, Wu Yiyi began a long and incredible adventure...