Mallory Grace just killed a man. To survive the next hour, she’ll have to kill again. To survive the night, she’ll need a miracle. Obadiah Macintosh doesn’t seem like a miracle. He is a recluse who works alone at an animal sanctuary, and he has a secret. When the dogs in his care alert him to intruders hidden by the darkness, he knows they are coming for him. Mallory and Obadiah were strangers, brought together for one purpose. To give new light to a terrifying world. But now they are on the run, and evil intends to find them.