In this daring tale of female agency and revenge from a New York Times bestselling author, a girl becomes a teenage vigilante who roams Victorian England using her privilege and power to punish her friends' abusive suitors and keep other young women safe. Adele grew up in the shadows--first watching from backstage at her mother's Parisian dance halls, then wandering around the gloomy, haunted rooms of her father's manor. When she's finally sent away to boarding school in London, she's happy to enter the brightly lit world of society girls and their wealthy suitors. Yet there are shadows there, too. Many of the men that try to charm Adele's new friends do so with dark intentions. After a violent assault, she turns to a roguish young con woman for help. Together, they become vigilantes meting out justice. But can Adele save herself from the same fate as those she protects? With a queer romance at its heart, this lush historical thriller offers readers an irresistible mix of vengeance and empowerment.