It's more important to find the cause of this crisis than to deal with its effects. LAND ROVER
(The DOCTOR and SARAH are handcuffed to each other in the back.)
Plan: A: The Doctor and Sarah return; Q: Who returns to London in the present day? A: the city; Q: What is strangely deserted when The Doctor and Sarah return to London? A: nearby UNIT; Q: Who is dealing with a series of monster appearances? Summary: The Doctor and Sarah return to London in the present day only to find the city strangely deserted, while nearby UNIT are dealing with a series of monster appearances.