Cameron Evans is about to turn 17, and determined to find out who murdered her sister, Joanna, two years earlier. When Cameron meets Brandon Cayson, the two begin to uncover details about Joanna's disappearance and the moments that led up to it. In the small town of Bozeman, Montana, nobody is really who they say they are. The husbands and fathers in the town's families are up to much more than anyone knows, and Cameron and Brandon risk their entire lives to understand the town's dark secret.