Enri woke up in a hospital room and was surprised to find that he and millions of other people around the world had slept for several years of their lives. An unusual epidemic practically destroyed humanity. But the young man was lucky; he was among those few who were able to open their eyes. The salvation was the ability to turn off the sleep mechanism - Enri woke up in a world where all people stopped sleeping. And now the survivors are learning to live in a new reality, without even knowing what danger they have brought upon themselves.