No strangers to evil, criminal profiler Reni Fisher and detective Daniel Ellis both still grapple with traumatizing pasts. It unites them. So has a crime they must solve before someone else dies. At a campsite on California?s Pacific Crest Trail, a guide is murdered and three young hikers vanish without a trace. The only lead is a puzzle in itself: a video of the crime scene, looking eerily staged, uploaded to social media. The girl who posted it can?t be found. Is it a viral hoax gone unspeakably wrong, or is there something more sinister at play in the forest? The case intensifies when one of the missing is found wandering down a dirt road, confused and afraid. As Reni and Daniel struggle to sort fact from fiction, a secret past collides with the present, threatening to sever their relationship. Are some truths too much to bear? Will this be the case that finally breaks them?