One year later, the Concorde, the world's safest and most secure domestic plane, disappears without a trace over the North Atlantic. Days later the brand new Starstriker jet vanishes. Both appear to be random inexplicable accidents until Air Force Three, carrying the vice-president of the United States, is blown from the sky.
Morgan devises a chilling theory. Not only is Unseen still out there, but it's been modified to become the most dangerous anti-aircraft weapon at sea. And the admiral is convinced that only one man could have masterminded it: The world's most cunning and reportedly dead terrorist spy, Iraq's Commander Benjamin Adnam. But what Morgan doesn't know is that the fanatically religious military terrorist has a chilling agenda of his own a plan that will bring these two intense warriors face to face. . . and only one will come out alive.