London, 1911. Coronation fever. Suffragette unrest. A city crackling with tension.
When a policeman is found brutally murdered on the streets of Kensington, blame falls on the three women seen fleeing the scene.
Their sole witness? Stephen Pike: ex-borstal boy, under-butler extraordinaire and assistant to the most unconventional detective in London, Miss Decima Stockingham. Sharp-tongued, fearless and bored of behaving herself, she's the only one able to see that this case is not what it seems.
Aided by an invisible network of maids - their eyes and ears in every house in London - this unlikely duo must catch the killer before time runs out. But in a city dazzled by ceremony and divided by change, you never know what might be lurking in the shadows...