A man from Earth, Kirill, suffers an accident on a planet where time rifts constantly occur. People are thrown into the past and the future, while the Middle Ages coexist with the newest technology. From the commander of the Unity Patrol, Kirill learns that in a few years a ship will be sent from Earth to colonize this planet—but he will land there 1,000 years in the past.
The colony gradually slides into barbarism, and its leadership has moved 500 years into the future—where it supplies weapons and equipment.
Kirill believes that the time rifts began precisely because of this, and the Unity Patrol, created to fight time anachronisms, only makes them worse…