The Sins of Nightsong. V. J. Banis

Disllusioned with life in the Imperial palace in 1890s China, April brings her young son back to San Francisco, and sets out to exact revenge on her mother and Peter McNair, whom she blames for the death of her beloved. Lydia, Peter, Raymond, Leon, even her sister Mei Fei, all must suffer–but it is April herself who will pay the highest price of all for her sins. The thrilling continuation of the chronicles of the Nightsong family and their perfume-based commercial empire, a tale of lust and passion, seduction and intrigue.