About the book: 2024 / On the way home, Professor Semenov is stopped by a police patrol and taken away in an unknown direction for no reason. The professor is thrown in with other detainees, each of whom has to go to another world - the task is to survive and return back. Trying to adapt to new conditions, Semenov understands a terrible fact - not everything that happens is reality. To return to normal life, he will have to answer the main question - who is the real Professor Semenov?