When Liz (Tatiana Maslany) arrives at a secluded cabin expecting a surprise from her partner Malcolm (Rossif Sutherland), she’s met with an eerie silence — he's inexplicably returned to the city, leaving her alone.

As the isolating shadows lengthen, Liz begins to sense a sinister presence and unravel the cabin’s haunting past, forcing her to confront dangers she never saw coming.