(The DOCTOR stands.) ARNOLD: There is a bit, sir. COLONEL: Goodge Street? COLONEL: Lethbridge-Stewart. COMMON ROOM
(The DOCTOR and VICTORIA are sitting at the table, with the COLONEL standing watching them. You're not going back to HQ?
Plan: A: the Goodge Street base; Q: Where are the Doctor and Victoria taken by Colonel Lethbridge-Stewart? A: the Doctor; Q: Who becomes convinced there is a traitor in the Goodge Street base? Summary: The Doctor and Victoria are taken back to the Goodge Street base by Colonel Lethbridge-Stewart where the Doctor becomes convinced there is a traitor in their midst.