Lady Amanda Golightly and her housemate Hugo Cholmondeley - Crichton - Crump return from their visit to Scotland to find a letter informing them that Hugo's sister will be arriving the following day for a month's visit, which sours Lady A's mood as Tabitha constantly bullied her at school. Her manservant's announcement that he is now betrothed to Enid Tweedie, sort of friend and general gopher for his employer, has already unsettled her. If that wasn't enough to cope with, it appears that, while they were away, the security of Belchester Towers had been breached and there had been thefts. To top it all, somebody started systematically killing off the domestic staff! Enter Detective Inspector Moody and Detective Sergeant Glenister, and all hell breaks loose!