(IAN walks round the between the TARDIS and the wall. (The creaking noise sounds is heard again. DOCTOR: A dead human body in the river? IAN: (Quietly.) If you have a body to get rid of, I should think it's a very good place to come to. It's uncanny, hmm? The DOCTOR walks up to the console, coughing, tutting and muttering in exasperation.
Plan: A: The TARDIS; Q: What is the name of the Doctor's time machine? A: the 22nd century; Q: What century is it when the TARDIS returns to London? A: bodies; Q: What is in the river? A: the docklands; Q: Where is the quiet? A: The Daleks; Q: Who has invaded London? 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.