What follows is a truthful account, as best I am able to provide it, of my role in the British deception operation, codenamed Windfall, that was mounted against the East German Intelligence Service (Stasi) in the late nineteen fifties and early sixties, and resulted in the death of the best British secret agent I ever worked with, and of the innocent woman for whom he gave his life.
-- Narrator (chapter 1)

Importance: Peter begins his narration by describing that what he is going to tell in this story is the truth about Windfall. Even though he tells lies to the lawyers questioning him about several different aspects of the operation, he does include the truth about the situations through his own private thoughts.

It is only now, having been held to account by the Service to which I devoted the best years of my life, that I am driven in age and bewilderment to...
-- Narrator (chapter 1)