To those who trained him, he's Orphan-X. To those who need him, he's the nowhere man. Once a secret government assassin, Evan Smoak walked away to help others. But when his old handler calls with a warning - the Orphans are being killed off - he also receives a final mission. A young girl - the last Orphan recruit - is in danger. First, Evan must find her. Then he must protect her. But those tasked with her elimination will not stop. And leading them is one of Evan's fellow Orphans - who'll do anything to see him dead...