Following an accident, car mechanic Dima Khrust is flooded with memories of his time serving on the Ninth Planet: breathtaking landscapes, the Earthlings’ base, battles with monsters, his friends, and his beloved girlfriend Polina, whom he once saved. Khrust’s colleagues shake their heads in disbelief, as their memories are completely different — just ordinary army memories. But when Dima meets Polina in real life, he no longer has any doubts: someone has tampered with all their memories. The only way to find out the truth is to return to that dangerous planet.
