It has been five years since the attack. New York would never be the same after the massacre caused by the green menace pouring through the gate, and neither would Caleb's life. Now four years later, Caleb intends to follow in his brother's footsteps and track him down on the other side of the gate. It will soon become apparent that the military has hidden many more things than just how his brother truly disappeared from him and the greater public back home.