Just three days after her wedding to Sheriff Paul Davidson, Anna starts her dream job as district ranger at Rocky Mountain National Park. She's there just in time. On Anna's watch, two of the three children who went missing from a religious retreat a few weeks earlier finally emerge from the wilderness. Investigating their disappearance, Anna encounters an unspeakable evil, a horrific force that almost destroyed the children's minds. She won't back down until she learns the truth about their captor--even if it kills her.