Even though Jigsaw killer John Kramer (Tobin Bell) is dead, his work continues under the stewardship of FBI agent Hoffman (Costas Mandylor) and his ex-wife, Jill (Betsy Russell). They create an elaborate series of deathtraps to test the character of William (Peter Outerbridge), the insurance claims executive who previously terminated Kramer's coverage. As Hoffman springs the traps and tests, he's also being pursued by his peers in law enforcement -- and while Hoffman thinks he's aware of Kramer's final deadly game, he's about to get a rude awakening.