A sadistic mastermind unleashes a twisted form of justice in SPIRAL, the terrifying new chapter from the book of SAW. Working in the shadow of an esteemed police veteran (Samuel L. Jackson), brash Detective Ezekiel “Zeke” Banks (Chris Rock) and his rookie partner (Max Minghella) take charge of a grisly investigation into murders that are eerily reminiscent of the city’s gruesome past. Unwittingly entrapped in a deepening mystery, Zeke finds himself at the center of the killer’s morbid game.
Set in the 1950s in small-town Georgia, a pregnant young woman named Agatha seeks refuge in a convent. What first starts out as the perfect place to have a child turns into a dark layer where silence is forced, ghastly secrets are masked, and every bit of will power Agatha has is tested as she learns the sick and twisted truth of the convent and the odd people that lurk inside its halls.
After the tragic death of his wife and child, famed American author Joseph Crone travels from the United States to Barcelona, Spain to reunite with his estranged brother Samuel and dying father, Richard. However, fate has a different plan for Joseph as his life becomes plagued with strange happenings, and the constant sightings of the number 11. Curiosity quickly turns to obsession, and Joseph soon realizes that this number holds a horrific meaning not only to himself but possibly to all of religion.
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 grizzly 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.
Jigsaw (Tobin Bell) has disappeared. With his new apprentice Amanda (Shawnee Smith), the puppet-master behind the cruel, intricate games that have terrified a community and baffled police, he has once again eluded capture and vanished. While city detectives scramble to locate him, Dr. Lynn Denlon (Bahar Soomekh) is unaware that she is about to become the latest pawn on his vicious chessboard. One night, after finishing a shift at her hospital, Lynn is kidnapped and taken to an abandoned warehouse where she meets Jigsaw, bedridden and on the verge of death.