The book tells about a young man by the name of Cyril, who, as it were "expunged" from life. The owner of his apartment becomes a different person, forget it neighbors, friends, work colleagues and parents. All documents, as well as keys to the apartment crumble to dust. Kirill remains entirely alone, he wanders through the Moscow completely lost, it occasionally people notice. Even his best friend Kostya forget about its existence - despite the fact that they work together to find a solution Cyril. And when Kirill has utterly despair, he receives a call on your mobile from an unknown, which gives him instructions. The protagonist, following them is in tower, located near the railway station Moscow-3. Once inside, Cyril finds (except for the door through which he entered), four more locked doors, and stairs to the second floor. On the top floor of the tower, he sees five windows: each window - on the corresponding door of the first floor. After spending the night in the tower, the hero says that the interior has changed: it radically improved living conditions, and one of the doors opened. This was a door into another world - one of the four that are opened in the course of the story, each in turn, in their night. Also, it says Kostya, citing the fact that he found the record, in which he described everything that happens, not to forget Cyril. Kirill becomes clear that he is now - a functional, namely -tamozhennik in this boundary punktemezhdu worlds. After a while it becomes aware of the opinion that our world and vsedrugie worlds are just a "testing ground" for Arkan, the legendary Earth-1, the time at which lags behind the thirty-five years from the time of our Earth (Earth-2). Dima politician, convinced that the time is not far behind in Atu, but rather ahead of its time on Earth-2, Cyril asks to open a passage in Arkan to search for information about the future of the Russian Federation (although the main character has no control over the opening of the worlds, and does not know what kind of world opens the next morning - but subtle connection funktsionalas universe allows Cyril to fulfill the request Dima). Then comes funkional obstetrician Natalia Ivanova and tries to kill Cyril, but in the end she dies. Before his death, she said that "curator" to fix it. Customs Cyril collapses, and it becomes an ordinary person. Kostya comes, and Cyril understands that Kostya is the curator of our world, that is the most important functional Earth-2. Kostya's trying to kill Cyril, but in the last wake force functional and he bounces off the bone, after which all who had previously forgotten Cyril remember about him.
