A mansion, a title and marriage to a wealthy Lord—Lady Eveline Cartwright has it all. Unfortunately, it's not enough to prevent her being bludgeoned to death one night in the study of Merisham Lodge, the family's country estate in Derbyshire.
Suspicion quickly falls on her ne'er-do-well son, Peter, but not everyone in the household is convinced of his guilt. Head kitchen maid Joan Hart and lady's maid, Verity Hunter, know that when it comes to a crime, all is not always as it seems.

With suspicions and motives thick on the ground, Joan and Verity must use all the wit and courage they possess to expose a deadly murderer who will stop at nothing to achieve their aim . . .