The work that was once the privilege of “knights of the cloak and dagger” has now become the lot of quiet and inconspicuous people who call themselves “crawlers.” It is one of these - Artyom, who knows how to find cracks and potholes in the walls separating millions of worlds of the Superverse, who is ordered by the will of the Masters of Time to leave the boundaries of his home world and go towards dangers and adventures.