Clouds are brewing over Cadogan House, and Merit the vampire can't foresee the oncoming danger. Times have never been more precarious for the vampires. Then magic rears its ugly head when Lake Michigan turns black. The mayor insists it's nothing to worry about, but Merit knows a panic is coming. She'll have to turn to friends old and new to find out who's behind this, and stop them before it's too late for both the vampires and humans.