The story begins with the murder of Horace Tom Tickler, burglar, who is âtaken for a rideâ in the best Chicago fashion and then delivered to Scotland Yard in a stolen cab â and all of England will be turned topsy-turvy until the clue of the silver key unmasks the ruthless murderer! Some intriguing twists, and the murdererâs identity is quite well hidden. With a wide range of suspects â miserly rich uncle, heiress-actress, impecunious inventor, theatrical âangelâ, inveterate gambler, even the underpaid butler â this multiple murder mystery delivers. âThe Clue of the Silver Keyâ was made into films and was very popular among viewers.