Veins of burning light burst through the storm, rupturing the sky. A flash of electricity streaked across the front of a Spitfire. The Air Transport Auxiliary pilot inside called out as they looked upwards at the shape lunging towards them… and then it was gone. The lightning sky crackled again, illuminating the black aircraft. Then, as quickly as it appeared – it was gone again. There was something lurking somewhere in the clouds… something was out there.