Kat doesn’t want to question her luck too closely when she lands a fabulous Manhattan apartment only blocks from her new job, even if cab drivers do have a funny habit of driving right past her antiquated apartment building without seeing it.

But the quiet building hides a deadly secret, and when Kat meets Char from down the hall, she’s drawn into a hidden world where humans aren’t welcome, populated by beings as dangerous as they are beautiful. Soon Kat’s neck-deep in trouble and on the run, and discovering the truth about her own unique heritage might just make things worse …