Following a failed suicide attempt, Sarah watches herself leave her body and become an empty vessel for anything to crawl into. When she re-enters her body she learns that she isn't alone.
A trio of young film-makers shooting a survival video in the woods are menaced by a strange creature.
Set during the 1960s in the fictional North Yorkshire village of Aidensfield, this enduringly popular series interweaves crime and medical storylines.
