The Mortal War is over and sixteen-year-old Clary Fray is back home in New York excited about all the possibilities before her. She's training to become a Shadowhunter and - most importantly of all - she can finally call Jace her boyfriend. But nothing comes without a price.
Able to see demons and those who hunt them, Clary Fray is drawn into the world of the Shadowhunters when her mother slips into a coma and travels to the City of Glass, the capital of their secretive country, where she uncovers important truths about her family's past.