After discovering that the world they are on is the Dalek's home planet of Skaro, the Doctor starts to question the reason for the Movellans being there. Meanwhile, Romana is captured by the Daleks.

To break the centuries-old stalemate in their war, the Movellans need the Doctor, as do the Daleks need Davros. The solution is simple, but neither side can see it, nor would the Doctor upset this perfect and unplanned peace they've achieved. Davros, though, is another matter.