Cannon Alfred Lilley is brutally murdered in London, and the Jericho manuscript he was translating is missing. The trail leads well-known detective, Sherlock Holmes and his excitable friend, Dr. Watson to Paris where the murderer is killed but the manuscript has changed hands. Clues lead the intrepid detective and Watson south to the Languedoc to confront the dreaded Dominican monks who supervised the horrifying tortures and burnings of thousands of Christian Cathars in the area. Since Holmes discoveries in the case were so incendiary, Dr. Watson stipulated that this account should not be published for one hundred years after his death. So now finally we can reveal the contents of the Jericho Manuscript and the reason millions were murdered to conceal the truth that only Sherlock Holmes using his special talents could discover.