On the run and bleeding a young man ends up at a pond house where he meets an old man (Tobin Bell) and holds him hostage in his own home. As the days pass and the secrets about their past are revealed...

Between the events of 'Saw' and 'Saw II', a sick and desperate John Kramer travels to Mexico for a risky and experimental medical procedure in hopes of a miracle cure for his cancer, only to discover ...