Crime novelist Roger Blackwood competes with hotel house detective Andy McCabe in solving a murder by poisoning at a medical convention.
Length 70 minutes
John Wray | John Qualen | Herman Bing | Gino Corrado | C. Henry Gordon | Henry O'Neill | Charles C. Wilson | Victor McLaglen | Clarence Wilson | Robert Gleckler | William Janney | Madge Bellamy | Edmund Lowe | Mary Carlisle | Rosemary Ames