Engaged to marry James Herondale, Cordelia Carstairs seems to have everything she ever wanted. But James and Cordelia's marriage is a lie, arranged to save Cordelia's reputation. James is in love with Grace Blackthorn whose brother, Jesse, died years ago in a terrible accident. The sword Cortana burns Cordelia's hand when she touches it, while her father has grown bitter and angry. And a serial murderer is targeting the Shadowhunters of London, killing...