The Bishop of Westfield visits his old friend, Sherlock Holmes to ask for his help. One of his fellow bishops, the Bishop of Sandbury has been seen entering an establishment with a questionable reputation that offers massage.
Sherlock's brother Mycroft is concerned that secret British Naval papers have appeared in the German embassy and have been linked to the Bishop of Sanbury's brother. Are the two events linked?
Holmes and Watson discover a blackmail plot involving the Bishop's missing tie-pin and Watson has to bare all to seek the truth. Holmes must exercise his burglary skills in order to avoid a scandal that could envelop the nation.