The story tells that after a girl named Bai Xiaoling returned home from the hospital, she found that everything in her life had changed slightly, and she couldn't exactly judge this strange feeling. However, a twist of fate caused her to meet a young neighbor who claimed to have known her for a long time, which made it even more difficult for her to understand. Life, which was already messy, becomes even more bizarre. Just as a series of little secrets were about to surface, each vivid fact made it even more difficult for her to accept. A huge atmosphere of conspiracy seemed to be coming...