As chaos and destruction overwhelm the Nephilim, Clary, Jace, Simon, and their friends have to head to the realm of demons in order to defeat the seemingly unbeatable Sebastian, who is Clarys brother. As darkness descends on the Shadowhunter world, chaos and destruction overwhelm the Nephilim as Clary, Jace, Simon and their friends band together to fight the greatest evil they have ever faced, in the spellbinding, seductive conclusion to the #1 New York Times best-selling Mortal Instruments series. Simultaneous.
