Sherlock Holmes has retired. But when MacDonald asks him to take on another case, he says yes. There have been some mysterious murders, and there are no visible causes for the deaths. At the same time Holmes gets this case, Graf Udo Von Felseck gives him another case: find a young and missing prince to prevent war between Germany and England. But Von Felseck is not as honest as he seems...
as Sherlock Holmes
as Dr. John H. Watson / Narrator
as Irene Adler / Mrs. Norton
as Home Secretary
as Graf Udo Von Felseck
as Inspector Alec MacDonald
as Anton Von Felseck
as Miss Derwent
as Mrs. Hudson
as Alfred Coombs
as Frederick Bains
as Lord Claremont
as Lady Claremont
as Chauffeur