The law of survival says: THERE ARE NO LIMITS TO THE IMPOSSIBLE. These are the rules of the game for five earthling friends, waging a mortal battle for existence with enemies from other worlds. Having barely escaped from one deadly alteration, they find themselves in a NEW TRAP... This world is TERRIBLY similar to Earth. And the more difficult it is to kill and survive there, to distinguish friends from enemies, right from wrong... But there is no way out. Action is NECESSARY. And if the limit of the possible has already been exhausted, then five earthlings will have to do the IMPOSSIBLE!..