The Shadowhunters must catch a killer in Edwardian London in this dangerous and romantic sequel to the #1 New York Times bestselling novel Chain of Gold, from New York Times and USA TODAY bestselling author Cassandra Clare. Chain of Iron is a Shadowhunters novel. Cordelia Carstairs seems to have everything she ever wanted. She's engaged to marry James Herondale, the boy she has loved since childhood. She has a new life in London with her best friend Lucie Herondale and James's charming companions, the Merry Thieves. , , She is about to be reunited with her beloved father. And she bears the sword Cortana, a legendary hero's blade. But the truth is far grimmer. James and Cordelia's marriage is a lie, arranged to save Cordelia's reputation. James is in love with the mysterious Grace Blackthorn whose brother, Jesse, died years ago in a terrible accident. 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 under cover of darkness, then vanishing without a trace. , , Together with the Merry Thieves, Cordelia, James and Lucie must follow the trail of the knife-wielding killer through the city's most dangerous streets. All the while, each is keeping a shocking secret: Lucie, that she plans to raise Jesse from the dead; Cordelia, that she has sworn a dangerous oath of loyalty to a mysterious power; and James, that he is being drawn further each night into the dark web of his grandfather, the arch-demon Belial. And that he himself may be the killer they seek.