Strange changes are happening to Cassie Walker. She's losing track of time, seeing shadows, and developing...horns? Fearful, she returns to her childhood home to solve the mystery of what she's becoming. There, she meets up with childhood friend, Josh Tucker, who convinces her to enter the annual Demon Run in Woodland Creek. But things aren't always what they seem in Woodland Creek, and people aren't who they appear to be. Soon, Cassie finds not only herself in danger, but Josh as well. Can she save them both? Or has her lineage tainted her forever?