They are invisible. They are faceless. They are as if invisible, and no one cares whether they are alive or not. They're used to it. They were patient. But one day their patience ran out. And then they realized: if you want to be noticed, kill. And they began to kill...And blood flowed. And the unnoticed brought down on the cities a nightmare of such a deadly hell that it is impossible to even imagine. And the helpless victims noticed their killers - the last thing they ever noticed in life...