A selfless act of bravery had propelled Seattle schoolteacher Claire Grant into the center of a terrorist manhunt. Now, catching him depends on her — and her ability to play the deadly revenge game the terrorist is plotting. One wrong move, and she'll die. And so will an innocent.

Her best chance for staying alive is charismatic FBI agent Luke Krueger — a man with his own agenda. Separate, Claire and Luke are pawns. But together, can they uncover the terrorist's weakness and stop the madman once and for all?