The police are baffled by the murder of Willoughby Smith, and Inspector Hopkins looks to Holmes to solve the case.
Quest roles:
Charles Gray(Mycroft Holmes), Anna Carteret(Anna), Patricia Kerrigan(Abigail Crosby), Kathleen Byron(Mrs Marker), Frank Finlay(Professor Coram / Sergius), Nigel Planer(Inspector Hopkins), Christopher Guard(Willoughby Smith), Roger Ringrose(Alexis)