Special Agent Strahm is dead, and Detective Hoffman has emerged as the unchallenged successor to Jigsaw's legacy. However, when the FBI draws closer to Hoffman, he is forced to set a game into motion, and Jigsaw's grand scheme is finally understood.

An expedition led by adventurer DARREN McCALL and funded by the wealthy Harry Vargas braves the impenetrable jungle to retrieve a fabled bejeweled dagger from an ancient burial ground. But pulling the dagger from its rightful resting place awakens the long-dormant plant creature - part plant, part animal, and all bloodthirsty -- and sends it on a feeding frenzy from which there seems scant hope of survival or escape...

A maniac murders teens when they refuse to forward chain mail.

As a deadly battle rages over Jigsaw's brutal legacy, a group of Jigsaw survivors gathers to seek the support of self-help guru and fellow survivor Bobby Dagen, a man whose own dark secrets unleash a new wave of terror.

Jeff is an anguished man, who grieves and misses his young son that was killed by a driver in a car accident. He has become obsessed for revenge against the man and reckless with his wife and daughter. When Dr. Lynn Denlon, who has troubles with her marriage, is abducted by the deranged Jigsaw's apprentice Amanda, she is brought to a gruesome warehouse to keep John Kramer alive in spite of having a terminal brain tumor. Amanda puts a necklace gadget full of explosives around Dr. Lynn's neck connected to John Kramer's life support system, and tells her that if he dies the device will explode. Meanwhile, Jeff is submitted to a sick game of forgiveness with surprising dark consequences.

Jigsaw and his young apprentice, Amanda, are dead. But the grisly games continue. 5 supposed strangers find themselves in the midst of the big game, and believe they are in a survival of the fittest competition. Via his now infamous video linked doll, Jigsaw conveys the message that they should ignore there instincts, and ignore his advice at their peril. Meanwhile, agent Strahm wants to prove that Hoffman is an apprentice to Jigsaw, and pursues him as he continues his twisted games. What Strahm does not realize is that Hoffman is testing him all along, and must pass his test in order to stay alive.

Jigsaw and his apprentice Amanda are dead. Now, upon the news of Detective Kerry's murder, two seasoned FBI profilers, Agent Strahm and Agent Perez, arrive in the terrified community to assist the veteran Detective Hoffman in sifting through Jigsaw's latest grisly remains and piecing together the puzzle. However, when SWAT Commander Rigg is abducted and thrust into a game, the last officer untouched by Jigsaw has but ninety minutes to overcome a series of demented traps and save an old friend or face the deadly consequences.