After a series of dizzying adventures, Major Viktor Glukhov from planet Earth, who ended up in the body of a young alien against his will, realizes that he cannot solve all his problems. And now, having returned to the Closed World, he finds out that a huge pile of troubles is rolling towards him, which he cannot prevent. The ruler of the world, Rock, raises entire nations against him and his comrades close to him in order to end the impostor with one blow. Our hero finds himself in the thick of rapidly developing events. Will he be able to survive or will the history of the world erase him from memory?