(To the DOCTOR.) DORTMUN: It's the only answer. Destroy invaders. Destroy them! FIRST DALEK: Do you intend to stay here in the city? It's a very good idea, Grandfather. One glides up to a headless wax dummy exhibit next to the float and attempts to interrogate it.) The DALEKS and the armed ROBOMAN mill about in front of the saucer.) The place is swarming with Daleks.
Plan: A: The TARDIS; Q: What returns to London in the 22nd century? A: the river; Q: Where are bodies in the 22nd century? A: the docklands; Q: Where is London quiet in the 22nd century? A: The Daleks; Q: Who has invaded London? A: the Doctor; Q: Who is responsible for stopping the Daleks? Summary: The TARDIS returns to London; however, it's the 22nd century. With bodies in the river, and quiet in the docklands, the city is a very different place. The Daleks have invaded and it's up to the Doctor to thwart them once again.