Chain of Iron is the second book in The Last Hours trilogy by Cassandra Clare. Set in Victorian London, the story follows a group of Shadowhunters and Downworlders as they face personal and supernatural challenges.
The novel begins with the murder of a mundane girl, setting off a chain of events threatening the fragile peace between Shadowhunters and Downworlders. Cordelia Carstairs, a determined and brave young Shadowhunter, teams up with her friends to investigate the murders and uncover a sinister plot involving demons and forbidden magic.
As Cordelia delves deeper into the investigation, she discovers shocking secrets about her own family, including the fact that her father is alive but under a powerful curse. Meanwhile, her complicated romantic relationship with James Herondale, who is engaged to another, adds emotional tension to the story.
Throughout the book, Cordelia and her friends face numerous challenges, battles, and betrayals. They uncover a dangerous cult known as the Covenant, led by Grace Blackthorn, who is revealed to be responsible for the murders. Cordelia's father, Elias, is also revealed to be a cult member.
Cordelia and her friends confront Grace and her followers at the Tower Bridge in a climactic confrontation. A fierce battle ensues, resulting in the defeat of the Covenant and the rescue of Cordelia's father. However, the victory comes at a cost, as one of Cordelia's close friends, Lucie Herondale, is tragically killed in the final moments of the battle.
With the Covenant defeated and the truth exposed, Cordelia and her friends are left to pick up the pieces and mourn their losses. Cordelia and James finally confess their love for each other, knowing they will face challenges in their relationship. The book ends with the characters preparing for the next chapter of their lives as they continue to navigate the complex world of Shadowhunters and protect London from supernatural threats.
