Sky Harmon was one of the best spies Langley ever produced and the love of his life until she disappeared eight years earlier while on a mission in Iraq.

Sky suddenly appears in the midst of a fierce firefight that claims Branch’s entire unit. On the run from the enemy, while Sky physically resembles the woman he knew, she has no memory of him or the attack that ended in her capture.

Is she a hero or a traitor? Branch had better figure it out soon, because the stakes have never been higher.