The TARDIS lands in London, 1605. Guy Fawkes and his gang are bent on blowing up the Houses of Parliament, thereby assassinating the Head of State. The Doctor, Amy and Rory soon realize they are at a pivotal point in time. One where it also emerges that the Doctor isn’t the only alien in town. Join the Doctor and his friends in another remarkable adventure. Walk the streets of London and uncover more of this devious plot, along with clues to figuring out what the alien is up to. Live another exciting adventure full of puzzles, avoiding adversaries, and collecting items in order to outwit and overcome those who would change history for their own dark ends.