When Mrs King, housekeeper to the most illustrious home in Mayfair, is suddenly dismissed after years of loyal service, she knows just who to recruit to help her take revenge.

A black-market queen out to settle her scores. An actress desperate for a magnificent part. A seamstress dreaming of a better life. And Mrs King's predecessor, who has been keeping the dark secrets of Park Lane far too long.

Mrs King has an audacious plan in mind, one that will reunite her women in the depths of the house on the night of a magnificent ball - and play out right under the noses of her former employers...