It's Christmastide in London, and Lady Tabitha Sinclair, only child of the deceased Duke of Rathesborne is trying to figure out who she is. With her position inside the covert King's agents in flux, she has to decide what she'll do with her time, for it certainly won't be attracting a man as her mother wishes. A change meeting with a handsome stranger at a musicale changes her course as well as her thinking.