This book takes place in a world where supernatural powers and beings are not uncommon. Gin Blanco is a young woman with those kinds of powers. Her family was killed by Mab Monroe. The family had been a target because of the feud between Gin Blanco's mother and Mab. Gin saved her baby sister, but doesn't know where she is. Flash forward, one of Mab's "friends" is having a problem with one of Mab's workers. Gin sees the problem. She decides to take action.