The story begins with the murder of Horace Tom Tickler, burglar, who is taken for a ride in the best Chicago fashion and then delivered to Scotland Yard in a stolen cab 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 murderers identity is quite well hidden.
With a wide range of suspects miserly rich uncle, heiress-actress, impecunious inventor, theatrical angel, inveterate gambler, even the underpaid butler this multiple murder mystery delivers.