The Seven Dials Mystery

The country mansion Chimneys, the setting of Christie's earlier novel The Secret of Chimneys, has been rented out by Lord and Lady Coote, who are hosting a weekend party. One of the guests, Gerry Wade, has a habit of oversleeping, so his friends decide to play a prank on him by surrounding his bed with eight alarm clocks. Naturally, the next morning he is found murdered in his bed, with one of the alarm clocks missing-leaving only seven dials in his bedroom.

Eileen "Bundle" Caterham, ...