Washburn County Deputy Amber Monroe is following in the footsteps of her sister, Jade. She devours everything she can during her detective training in hopes of being promoted soon. Living in small-town USA has its advantages, like a sense of security, and disadvantages, like being close to Milwaukee and its crime. Washburn County has become the dumping ground of murder victims, courtesy of its neighboring county to the south.
Meet the four horsemen: Michael, Gabrielle, Uriel and Raphael. For centuries their job has been to guard the gates of hell, making sure they never open. Without the keys, there was never any real threat. That’s about to change. There are rumours on the horizon that demon followers unearthed scrolls that explain exactly how to find the lost keys. This new battle is a race to see which side locates them first.