<p>Midnight, 1984.<br><br>In a sprawling, run-down housing estate in south London, a man returning from a night out in the West End finds himself pursued by a strange hooded figure.<br><br>So naturally when the Doctor and Romana arrive in the TARDIS the next day, they find themselves in the middle of a crime scene.<br><br>But when child genius Matthew Pickles - inventor of a hugely popular handheld videogame - arrives to help them crack the case, they discover there is more to this than meets the eye.<br><br>Someone has been messing with technology that''s not of this earth, blurring the lines between human . . . and cyber. And it looks like they''re out for revenge.<br><br>In a world on the brink of gadgets and gismos and dangerous tech, the pair must uncover the killler, before they strike again.</p>