TURLOUGH: Who will know? IBBOTSON: Oh, go back to the school, please. He calls himself the Doctor. DOCTOR: There's a chance something's on a collision course with the TARDIS. I deal with a solicitor in London, and a very strange man he is, too. Turlough! [SCENE_BREAK]
GUARDIAN: In the name of all that is evil, the Black Guardian orders you to destroy him now!
Plan: A: The Black Guardian; Q: Who strikes a deal with a school student named Turlough to kill the Doctor? A: The Doctor's Tardis; Q: What is trapped by a hidden device near Turlough's school? Summary: The Black Guardian strikes a deal with a school student named Turlough to kill the Doctor. He promises him that he will take him back to his home planet if he does the job. Meanwhile The Doctor's Tardis is trapped by a hidden device near Turlough's school.