A small unit of U.S. soldiers, alone at the remote Combat Outpost Keating, located deep in the valley of three mountains in Afghanistan, battles to defend against an overwhelming force of Taliban fighters in a coordinated attack. The Battle of Kamdesh, as it was known, was the bloodiest American engagement of the Afghan War in 2009 and Bravo Troop 3-61 CAV became one of the most decorated units of the 19-year conflict.

When danger threatens her camp, the fierce and highly skilled Comanche warrior Naru sets out to protect her people. But the prey she stalks turns out to be a highly evolved alien predator with a technically advanced arsenal.

A jaded food courier runs into a moral dilemma where she has to make the decision to deliver an order that has been 'tainted'.