Sherlock Holmes and the Valley of Fear

Directed by Norma Green

With Peter O'Toole, Earle Cross, Colin Borgonon, Judy Nunn and Ron Haddrick

Holmes & Watson receive a letter from an informant who known by the pseudonym Fred Porlock. Porlock is a man well connected with criminals. The letter is written in code, and Holmes determines that the code comes from the words in a book. They decipher the code by page and column and find that John Douglas of Birlstone House is in danger.