Mrs. Thomas Beresford shifted her position on the divan and looked gloomily out of the window of the flat. The prospect was not an extended one, consisting solely of a small block of flats on the other side of the road. Mrs. Beresford sighed and then yawned.

"I wish," she said, "something would happen." Her husband looked up reprovingly. "Be careful, Tuppence, this craving for vulgar sensation alarms me." Tuppence sighed and closed her eyes dreamily…