When the home of Alex Cross's longtime friend Ellie Cox is turned into the worst murder scene Alex has ever seen, he is devastated. The destruction leads him to believe that he's chasing a horrible new breed of killer. As Alex and his girlfriend Brianna Stone begin the hunt for the villain responsible for the killings, they quickly find themselves entangled in the deadly Nigerian underworld of Washington, D.C. What they discover is shocking: a strongly organized gang of teenage thugs headed by a powerful, diabolical man—The Tiger.