Jace has been the property of the U.S. Army since they found about her when she was five, and now she has become one of its most valuable weapons.  But Jace is not the only one of her kind.  Gray is also one too, but with the help of his sister, he has spent most of his sixteen years hiding from the army.

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Now, the army has found out about Gray and they cannot allow him to roam free.  Operating on the theory that it takes one to catch one, Jace is sent out with a special ops squad to hunt Gray down.  But Jace is not the only one pursuing Gray, and the competition is now after her too. What ensues is a desperate chase through city after city as duty and honor collide with love and sacrifice.