The Lightwoods, the Shadowhunters who run the New York Institute, are expecting a fresh addition to their family: the orphaned son of their father’s friend, Jace Wayland. Alec and Isabelle aren’t as well sure they want a new sibling, and their parents are not assuaging their anxieties, too occupied with the dark news that Raphael Santiago, second-in-command of the New York vampire clan, has taken from your Shadow Market.