The best age, the wild youth, just when Su Yuan thought that his life would be spent peacefully and beautifully, a line of blood words appeared on the blackboard. In the silent night, a terrifying monster appears at the door of your dormitory. How long will it take for it to kill you? When everyone thought it was just a joke, footsteps sounded outside the dormitory door at midnight; urban ghost stories one after another became reality, and the traces of the dead were erased one after another. When the supernatural comes, death is the end.