After shocking audiences with the swirling terror of Uzumaki, director Higuchinsky and writer Junji Ito, re-team for this mind-bending tale of a man whose ever expanding dreams are beginning to take a toll on both his mind and his body. When Dr. Kuroda is approached by a patient who is terrified to go to sleep, he can't understand the man's reluctance to rest. What the confused physician has failed to realize is that the man is often living out months and years of life during the span of a single night. Now, as his dreams reach for infinity, the man's body begins to show signs of physical stress. Meanwhile, Dr. Kuroda believes that the long dream could be the key to immortality, and after experimenting on another patient he turns the tests on himself.