To the community, Aradia Burke is the premier dog trainer and breeder of Anatolian shepherds in the region. Whether it is training the family pet or a top-tier working K9, Aradia is the go-to person. The truth is buried beneath centuries of closely held secrets. Aradia's birthright and duty is to train the Guardians, those special dogs that keep the world safe from demons. When pre-cognitive Mercy Burroughs has a vision and Aradia arrives on her doorstep, her careful life unravels. Demons are close to breaching one of the portals and will threaten the Western Washington Guardian team and K9, Clemons. It's up to Aradia, Mercy, and the K9s to stop them before darkness falls over the world.