A dark secret amongst a group of children comes back to haunt them in the form of a vengeful killer on their prom night.

Jigsaw is back. The brilliant, disturbed mastermind who wreaked havoc is back for another round of horrifying life-or-death games. When a new murder victim is discovered with all the signs of Jigsaw's hand, Detective Eric Matthews begins a full investigation and apprehends Jigsaw with little effort. But for Jigsaw, getting caught is just another part of his nefarious plan. Eight more of his victims are already fighting for their lives--and now it's time for Mason to join the game.

Jigsaw is back. The brilliant, disturbed mastermind who wreaked havoc is back for another round of horrifying life-or-death games. When a new murder victim is discovered with all the signs of Jigsaw's hand, Detective Eric Matthews begins a full investigation and apprehends Jigsaw with little effort. But for Jigsaw, getting caught is just another part of his nefarious plan. Eight more of his victims are already fighting for their lives--and now it's time for Mason to join the game.

Jigsaw and his apprentice Amanda are dead. Upon the news of Detective Kerry's murder, two seasoned FBI profilers, Agent Strahm and Agent Perez, arrive at the depleted police precinct and help veteran Detective Hoffman sift through Jigsaw's latest grizzly game of victims and piece together the puzzle. However, when SWAT Commander Rigg, the last officer untouched by Jigsaw, is suddenly abducted and thrust into the madman's harrowing game, the officer has but ninety minutes to overcome a series of interconnected traps...or face the deadly consequences.