Du Xian (played by David Lee), an English major student who leads a fulfilling college life, accidentally develops an interest in hypnosis due to his transfer to student Zhen Hao (played by Yu Kim Nam). With the help of Professor Cui (played by Sun Shihao), Du Xian acceptedAfter undergoing hypnosis therapy, he began to see confusing memory illusions, and his friends began to suffer from them one after another, encountering strange events. Professor Cui urged themWhat is the purpose of sleeping?