Young Muscovite Kirill is a talented designer of computer games. One day, he is completely erased from the memory of everyone he knew and loved. Kirill learns that he has been chosen for an important and mysterious mission: to become a customs officer between parallel worlds, of which there are dozens in the universe. Will Kirill unravel the mystery of these worlds and who controls them? And is our Earth really just an imaginary "draft" -- a parallel world -- which in reality does not exist ...