2263. Found a planet in the universe, where the crown of evolution became a cat, or as they are styled in the world - kobársy. Notably, this is another, sophisticated technical progress in the race, got to Earth faster than the people before them. On Earth, kobarsy discovered her priceless treasure. Strong drug that, by law, meanness, did not take the cat climate of the planet. It was called - valerian. Kobarsy invaded the Earth and began to plow a field valerian. At that time, as the underground resistance force earthlings are fighting fiercely against the invaders, the inhabitants of captured cities got the role of slaves on the plantations. And that slaves were not distracted by the partisan sentiments kobarsy put people well-proven "cinema" - gladiator fights between people and specially grown for this business, monsters, mutants. Kaluga, a small town on the border of the Earth's fourth-generation sector of valerian. As a result of someone's negligence, gladiators mutant escaped from the lab and began to wreak havoc and destruction. Meanwhile…