Shelley is cleaning out her old childhood home after the death of her estranged and reclusive father, Richard, when Chris, a teenage boy from up the street, comes by to retrieve something he had let her father borrow before he died. The object in question belongs to Chris' father, Tom, who will be furious when he finds out that it's gone missing, so Chris is absolutely desperate to return it before that happens…but when Shelley finds out what this particular item is, things take a dangerous and dreadful turn. Together, they must come to terms with matters of the unimaginable.