- A mathematician and author, Luke Williams, is travelling up to London on a train when he meets a old lady, Lavinia Fullerton, who is also going to London, to Scotland Yard. Lavinia tells Luke that in her small village several people have died. The local police are certain that it was all accidental and are taking no ac…
- The lady is Mrs. Hilyard, a wealthy poetess who lives in a three-story city mansion and her cage is her elevator, which stops a dozen feet short of the main floor due to an electrical failure on a July 4th weekend. She rings her outside alarm, eventually noticed by a drunken derelict, who breaks into the house, ignores…