Taken from the book by John le Carre, George Smiley rallies to the aid of his former intelligence colleague, Ailsa Brimley, to investigate a mysterious letter from a junion master’s wife at Carne School – a boy’s school. When Smiley goes to Carne to investigate, he finds the junior master’s wife brutually murdered with her husband as one of the suspects. Smiley begins to scratc…