Holt, a diplomat, and Noah Crane, Israeli master-sniper, plan to walk by night into the dangerous Beqa'a Valley, where capture by the Syrian Army results in torture and death. It is to find one man: the subject of an act of vengeance by the British, to display their strength in the face of terrorism. But when Holt and Crane are far into the Beqa'a, unrecoverable, their cover is blown...