Pregnant Rachel and her husband, Matt, are stranded after wrecking their car on a remote Scottish road. Though hostile at first, a nearby farmer and his wife welcome them in after learning that Rachel is with child.
Cora, a recovering drug addict, desperate for closure and crushing guilt after the disappearance of her son, is presented with a bizarre offer to learn the truth about what happened and set things right - if she is willing to pay a terrifying price.
