The film kicks off with a glass cage that captures the attention of bewildered bystanders. Within this cage, two men who appear to know each other awaken, chained at opposite ends of a saw table. Suddenly, a woman is revealed, suspended above them. The sinister puppet, Billy, rolls in on a tricycle, delivering an ominous ultimatum: each man must decide which of them will sacrifice the other for the chance to save the woman they both love. As tensions rise, one man begins to push the saw towards the other, but the opposing man counters the move. The woman confesses her love, influencing the decision-making process as the jilted man gains the upper hand. When she professes her affection again, this time to the about-to-be victorious man, doubts brew within him, leading to their mutual decision to let her perish. The horrifying scene culminates with her gruesome demise—a brutal sawing that leaves her bloodied remains and entrails scattered across the floor.
In a parallel narrative, Detective Mark Hoffman ([Costas Mandylor]) barely escapes a deadly trap attached to his head. Evading Jill Tuck ([Betsy Russell]), his former rival and daughter of Jigsaw’s legacy, he focuses on patching himself up. Jill, knowing Hoffman's relentless nature, plots her own survival by approaching Detective Gibson ([Chad Donella])—a fresh face in the gloomy Jigsaw narrative. She provides him with crucial information, but only in exchange for immunity from prosecution.
Meanwhile, Bobby Degen ([Sean Patrick Flannery]), a survivor of Jigsaw's terrifying games, enjoys newfound fame as the author of "S.U.R.V.I.V.E.", a self-help book detailing his harrowing escape. As he is interviewed alongside his entourage—best friend Cale, lawyer Suzanne, publicist Nina ([Naomi Snieckus]), and wife Joyce ([Gina Holden])—discussions arise about the effectiveness of their publicity strategies, revealing the intricate interplay of trauma and rehabilitation.
A chilling sequence unfolds when a group of white supremacists finds themselves in a horrific trap at an abandoned junkyard. With a driver glued to his seat and his friends trapped in a gruesome test of survival, they confront the consequences of their prejudiced actions. The tape reveals their sins, setting off a deadly chain reaction that ends in catastrophic violence and bloodshed.
As Bobby hosts a support group for survivors, dissent stirs when a mysterious character casts doubt on the true efficacy of such gatherings. Tension mounts when Bobby discovers his car empty, leading to a shocking ambush that lands him in a cage surrounded by the haunting visage of Billy on a screen, delivering a chilling message that challenges the authenticity of Bobby’s survival story.
Stripped of the facade he crafted, Bobby must now navigate through an array of horrific tasks to save his wife, who is chained up but alive. In a twisted and bloody series of events, each friend is subjected to tragic ends as Bobby must grapple with saying goodbye to those who once stood by him. The sinister machinations of Jigsaw reveal themselves in terrifying clarity: friends are turned against each other, and truths are laid bare in a horrific trial that exposes the depths of human survival and deceit.
Amidst the chaos, Bobby confronts the harrowing demand of self-mutilation to save his wife, ultimately leading to a devastating conclusion. Meanwhile, Hoffman continues to weave through the investigative web, inadvertently drawing closer to his own fate. An unexpected explosion rattles the detectives, who race against time to unravel the mystery behind the gruesome traps set by the shadowy figure of Jigsaw.
Through a chain of back-and-forths that intertwine life, death, and moral dilemmas, Hoffman confronts Jill in a climactic clash before facing the terrifying reality of betrayal at the hands of Dr. Gordon ([Cary Elwes]). In a heart-wrenching twist, as the doors of fate close on him, Dr. Gordon ensures that Hoffman faces the ultimate consequence of his treachery, concluding with an iconic declaration: “Game Over.”
