ANDRED: Rodan and the alien girl Leela are already out there. ANDRED: What for? BORUSA: Well, what's that got to do with the threat from the Vardans? DOCTOR: Until she gets to outer Gallifrey. Help.
Plan: A: The Doctor; Q: Who allows the Vardans to occupy Gallifrey? A: the wasteland; Q: Where do Leela and Rodan go to search for help? Summary: The Doctor allows the Vardans to occupy Gallifrey while Leela and Rodan head out into the wasteland to search for help.