WHEN THE DARKNESS COMES, THE TEETH AND THE CLAWS COME WITH IT. Jessica Cleary took up running the Arizona hiking trails as a way to cope with the recent loss of her father. While out on a run in Wasp Canyon, Jessica stumbles upon a gruesome scene and finds herself injured and running for her life.

There is something lurking inside Wasp Canyon-something vicious, cunning, and with an insatiable appetite. When people in town start falling victim to a mysterious predator and the police are unable to offer any explanation, Jessica decides it’s time to stop running-it’s time to stop running and fight.