(To the YETI.) But what about Victoria and Travers, eh? DOCTOR: And who are they? INTELLIGENCE: Nearby. The Doctor's right.
Plan: A: prisoner; Q: What are Victoria and Travers held by the Great Intelligence? A: the Doctor's mind; Q: What is the Great Intelligence planning to drain? Summary: Victoria and Travers are held prisoner by the Great Intelligence, who is planning to drain the Doctor's mind.