In this sapphic Regency romance set in an alternate world ruled by powerful noblewomen, the feared and ruthless Duke of Howard is forced to confront the one woman she has never been able to forget. Years after abandoning courtesan Celine Genet in Revolutionary Paris following a passionate night together, Kate discovers Celine now holds a dangerous secret that could destroy her reputation and expose her past crimes. In exchange for her silence, Celine demands help securing a titled marriage, forcing the two women into London society together. But as old wounds, political secrets, and undeniable attraction resurface, Kate must decide whether protecting herself is worth losing the woman she has come to love.