For generations, the Tricksters have inhabited the mountains of west Texas. Preying off unwitting travelers, the pack's existence remains a well-kept secret. On a road trip, Ash and her friends make the fateful decision to stop in the dusty little town of Sierra Diablo where they meet a handsome and charismatic local named Caleb and his peculiar group of friends. Later that night, a frightened young girl stumbles into their campsite, begging for help. What follows is a night of terror as Ash and her friends fight for their lives against a pack of bloodthirsty coyote shapeshifters. When she fails to return home, Ash's older brother, Matt, sets out to find her. Upon arrival in Sierra Diablo, he realizes that there's something odd about this tiny desert town. Determined to uncover the truth, he investigates further. As he slowly uncovers the truth, Matt realizes some secrets are better left undisclosed. When searching for answers, be careful that you don't come to regret what you find.