Royce is a federal agent haunted by horrifying memories of being tortured by a sadistic extremist called the Gray Wolf. It has taken Royce years to track the terrorist, but he's finally within arm's reach...except there's a problem. Will Samson's merciless obsession to kill those responsible for murdering his family places the entire city in danger of a lethal attack. Blinded by his hatred and thirst for vengeance, Samson has become as deadly and dogged as the men whose blood he has sworn to spill. The lives of millions hangs in the balance as these men wage their war.