World War II. A group of American soldiers encounter a supernatural enemy as they occupy a French castle previously under Nazi control.

When Kyle Matthews, an elite Sniper from the World Defense Force, is trapped in enemy territory - his skills are put to the test as he attempts to survive against a whole armada of Cerulean soldiers, Hell bent on wiping all humans from existence. But when a beautiful Cerulean woman is shot and left for dead by her own kind, Kyle must chose between his own life and the life of one of the very beings he is out to kill.