When a man-made cataclysm combines the scientific base of the future with the distant dark past into a single whole, nothing good comes of it. Especially if the terrorists who caused this catastrophe end up in the Middle Ages, and with all their equipment - from plasma throwers to a space cruiser. But the world still has a chance! After all, charges for cannons do not grow on trees, and along with the thugs firing right and left, their enemies, ordinary people, who know the main transformative power of humanity - the scientific approach, also failed thousands of years ago!