Harry Dresden's path crosses with White Court Vampire Thomas Raith once again. Despite the fact that the White Council and the Vampire Courts are at war with one another, Thomas enlists Harry's help to save the production company of a friend. While trying to solve who is slinging dangerous ritualistic curses directed at Arturo Genosa's production, Harry must also find and destroy who is trying to kill him. Harry delves ever deeper into his past in the process and learns former secrets that will forever change his life.
While going undercover on the set of an adult film to investigate the mysterious deaths of several actresses, Chicago wizard Harry Desden unexpectedly learns the shocking truth about his vampire friend Thomas.