After the death of his wife, wealthy retiree Justin Playfair creates a fantasy world for himself in which he is the legendary detective Sherlock Holmes, even dressing like the character. Out of concern for Justin's money more than his health, his brother Blevins puts him under the care of psychiatrist Dr. Mildred Watson. As Dr. Watson grows fond of Justin, she begins to play along with his theories, eventually becoming an assistant in his investigations.

An American radio–television anthology series, created in 1947 by Canadian director Fletcher Markle, who came to CBS from the CBC. Studio One, presented by Westinghouse, was one of the first of the anthology TV programs. The episodes were often abridged remakes of movies from years gone by and many future well-known television and movie actors appeared in the productions.