Nosferatu (Vampires) and Lycanthropes (Were-wolves) have been regularly disappearing over the past few years. Life for Samuel and Jacob Covyre (Co-veer) was hard enough without the pursuit of Leonell, a lycan determined to fulfill his deepest desire. On the run, the two have to figure out why they were being targeted . . . and fast. Unfortunately, time is running out for them. Will they discover the mystery before it is too late?