Welcome to the Torchwood Institute, a secret government agency tasked with defending Great Britain from extra-terrestrial and supernatural threats. It is 1940, the height of the London Blitz. An Ambassador from a hostile alien race has been murdered - by one of your own. A larger delegation of aliens is on the way: can you find the killer in time? Could it be YOU? The entire world may be at stake. A BYOV murder mystery, with a twist.