A Study In Scarlet by Sir Arthur Conan Doyle.
Dramatised for radio by Michael Hardwick.
An American is found dead in an empty house in the Brixton Road. Inspector Gregson of Scotland Yard is puzzled. He consults Mr Sherlock Holmes, a rather eccentric young gentleman who, together with J. H. Watson MD, has recently taken up residence at 221B Baker Street.
BBC Birmingham
(First broadcast in 1974)