During WWII, several murders occur at a convalescent home where Dr. Watson has volunteered his services. He summons Holmes for help and the master detective proceeds to solve the crime from a long list of suspects including the owners of the home, the staff, and the patients recovering there.
Director: Roy William Neill
Cast:Basil Rathbone , Nigel Bruce , Dennis Hoey , Arthur Margetson , Hillary Brooke , Halliwell Hobbes , Minna Phillips , Milburn Stone , Gavin Muir , Gerald Hamer , Vernon Downing , Olaf Hytten , Frederick Worlock , Martin Ashe , Joan Blair , Charles Coleman , Harold De Becker , Mary Gordon