Humanity, settled on countless planets of many star systems, is ready to face the blow of enemies - Aliens. But THIS enemy, it seems, HAS NO FACE... This enemy appears literally out of nowhere, warns of his appearance with a blinding flash - and KILLS. Kills accurately and for sure. Kills senselessly. He kills for the pleasure of killing. The fate of millions of people now depends on a handful of desperate daredevils who are ready to answer the killers blow for blow. Ready to subjugate monstrous alien war machines - and find answers to questions without which it is impossible to either win or survive in a battle with alien Evil. To defeat the enemy, you need to UNDERSTAND him...