Doctor Who: Paradox Lost

'The Squall feed on psychic energy. They spread like a plague and if they are not stopped they will strip the Earth clean...'London 1910: an unsuspecting thief finds himself confronted by grey-skinned creatures that are waiting to devour his mind. London 2789: the remains of an ancient android are dredged from the Thames. When reactivated it has a warning that can only be delivered to a man named ...