Among the bohemians and the demi-monde, Sandrine discovers her erotic nature as a lover and painter. Then darker influences threaten—her cold and cruel husband is tracking her down and something sinister is taking hold, changing Sandrine, altering her. She’s become possessed by La Lune: A witch, a legend, and a sixteenth-century courtesan, who opens up her life to a darkness that may become a gift or a curse.