The war for the instruments of death is over, and Clary Fray returns home to New York. It will find a lot of new, exciting: it learns to be a Shadowhunter, her mother married a loved one, the Nephilim and the undead finally live in the world, and most importantly - Clary can now be with Jace. But nothing is given freely. Someone is killing Shadowhunters, once took place in the Circus Valentine, and throws the bodies on the territory of the undead. Braving the danger of a new bloody war. Meanwhile Jays for no apparent reason begins to pull away from Clary. She is forced to solve the mystery, not knowing that in the end face zhutchayshim nightmare. Without even knowing it, Clary has launched a chain of events, and as a result it risks losing everything dear to her. And Jace, too. Love. Death. Betrayal. Revenge. The stakes in the new novel by Cassandra Clare as high as ever.