After receiving a diagnosis of degenerative dementia, a slow but sure death sentence, Adrian Thomas, a retired professor, decides to go home and shoot himself, but fate intervenes when he witnesses a man and a woman in an unmarked van kidnap 16-year-old runaway Jennifer Riggins. Jennifer awakes blindfolded and gagged, strapped to a metal bed frame. Her clothes have been removed. The webcam above turns to 'live feed' as an email has goes out: "Victim Number 4 lives today. But what will happen tomorrow? Can the professor save Jennifer? Or is it already too late?