Russell Partridge announces to his wife Janet one day that he is in fact a killer who has murdered his six previous wives, and notifies her that she has one day to live and get her affairs in order before he murders her, too. Janet can get no one to believe her tale, except Holmes and Watson, who must devise a plan to trap the killer before Janet's time runs out. .

Stars: Ronald Howard, Howard Marion-Crawford, Archie Duncan

Cast:
Ronald Howard as Sherlock Holmes
H. Marion Crawfod as Dr. Watson
Archie Duncan as Inspector Lestrade