London, 1945. Winston Churchill campaigns for re-election. His new strategic adviser assures him that Britain has a bright future under his continued leadership. It's a vote he can't possibly lose. But the Doctor knows that he must.
The Monk is meddling, altering history for his own selfish ends. With spies and aliens in the mix, Winston realises victory may not be so simple. But at least he can trust his old friend... can't he?