​Episode 1: Pilot

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A devastating and unprovoked alien invasion has left Earth in tatters and the humans who survived have to learn how to work together and fight off the aliens to ensure their further existence. Walter Logan, a former Major in the British Army is the Commanding Officer of The Scots Unit and he has to make some difficult decisions which don't sit well with some people in the group. Something unexpectedly arrives at the camp, who or what could it be?