Saw IV opens on an autopsy table, which tells you most of what you need to know. The fourth film in the franchise arrived in 2007 with its villain already dead and a new writing team in Marcus Dunstan and Patrick Melton. Tobin Bell’s John Kramer is gone. The series has to find a way to keep playing anyway.
Trailer, via Lionsgate Movies.
The Microcassette in the Stomach
It does, literally. An autopsy reveals a wax-coated microcassette inside Jigsaw’s stomach, and Detective Mark Hoffman is called in to hear it. The tape promises him that “the games have just begun.” That single image — a dead man still issuing instructions from inside his own body — is the best idea Saw IV has.
Rigg Has Ninety Minutes
The film hands its clock to Officer Daniel Rigg, played by Lyriq Bent. Rigg is told Detective Eric Matthews is still alive and given ninety minutes to save himself. He is warned not to rescue sex trafficker Brenda from a device that scalps her. He rescues her anyway. She tries to stab him.
Art Blank and Trevor
Elsewhere, in a mausoleum, lawyer Art Blank and a man named Trevor are chained to a device with Trevor’s eyes and Art’s mouth sewn shut. Communication is impossible. Art kills Trevor to get a key off his collar. It is grim, efficient, and over almost before it registers.
The Apprentice Problem
FBI Agents Peter Strahm and Lindsey Perez arrive to work the Kerry case, and they land on the film’s sharpest thread: Amanda would have needed help killing Detective Allison Kerry. Someone else is working. Strahm interrogates Jill Tuck, who describes losing her pregnancy with a boy named Gideon when drug addict Cecil robbed the clinic and slammed a door into her stomach.
What Actually Works
Saw IV was the first film in the series not written by Leigh Whannell or James Wan, and it shows in the structure, not the gore. The traps remain inventive. The connective tissue — Rigg’s tests, the motel, Ivan Landsness — plays like a checklist rather than a story.
The Score
The film grossed $139 million worldwide and drew mostly negative reviews from critics.
Saw IV is a competent machine that mistakes complication for depth, and its reveals land with a shrug rather than a jolt.
- The autopsy tape — the franchise’s best opening image
- Strahm and Perez’s investigation — the only thread with real momentum
- Jill Tuck’s backstory — grim, effective, too brief
- Rigg’s ninety-minute gauntlet — busy without being tense
The 6.2 out of 10 is the film’s TMDB audience score, drawn from 4,226 votes. That is a soft number for a movie this profitable, and it fits: audiences showed up, then graded it like a rental.
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