Jeremy DeCarlos

Backpacking alone on the Appalachian trail, a married woman meets a younger hiker and the two strangers become inexplicably drawn to one another.

What starts as a poignant medical documentary about Deborah Logan's descent into Alzheimer's disease and her daughter's struggles as caregiver degenerates into a maddening portrayal of dementia at its most frightening, as hair-raising events begin to plague the family and crew and an unspeakable malevolence threatens to tear the very fabric of sanity from them all.