Philip Kimberly, the former head of the British Secret Service who defected to Russia, is given plastic surgery and sent back to Britain by the KGB to retrieve some vital documents. With the documents in hand, he instead plays off MI6 and the KGB against each other.
While still the Prince of Wales, the future Edward VIII meets the married American socialite, Wallis Simpson. Their relationship causes furor in the palace and in parliament, especially when King George V dies, Mrs. Simpson gets divorced, and King Edward announces his intentions to marry her.