When a pair of young lovers accidentally drive their car into a ravine in the secluded mountains of Wales, they find themselves in an uncharted realm. Rescued from the river by an enigmatic stranger, they are brought to a dilapidated farm that seems frozen in time. As the story progresses, the shocking reality of the couple’s history is revealed. Even more disturbing is the spectral truth about Stanley and the sorrowful history of the valley he used to inhabit.