A man takes to a remote hideout with his sick wife, where they live in isolation as he battles to protect her life, and his own sanity, from a supernatural threat plaguing humanity. When a drifter happens upon their cabin and they take him in, old wounds are exposed and a harrowing twist reveals the true nature of the catastrophe that has befallen the couple.
James Cosmo
as John Tanner
Alison Steadman
as Grace Tanner
Marc Baylis
as The Stranger
Kate Davies-Speak
as Caitlin Rourke
Francis Quigley
as George Rourke