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When Grey Trace is a victim of a mugging that leaves his wife dead and him a quadriplegic, his life is changed when he receives an AI upgrade called STEM. With the help of STEM, can Grey track down his wife's killers and finally get justice in this action flick?

How far are we from realistically introducing biomechanics into normal everyday life?

30 years ago something like a smartphone would have seemed like far-future stuff, so is it unrealistic to dismiss the potential for body implants in 30 years’ time?

In Upgrade, set in an unspecified time in the future, there are already solar-powered self-driving cars. Yet this wonder of technology glitches.

The subsequent and (coincidental?) brutal mugging leaves mechanic Grey Trace a quadriplegic and wife Asha murdered. Enter a need for justice. Enter a reclusive scientist. Enter STEM.

From Blumhouse Productions (the production company behind Get Out, Paranormal Activity, Insidious, The Purge, The Invisible Man, to name but a few) and writer/director Leigh Whannell comes Upgrade.

What Is Upgrade About?

STEM is an artificial intelligence-powered piece of miracle tech. It takes the brain’s signals and forwards them onto the body, acting as a conduit to allow Grey to walk again.

Hang on! Artificial Intelligence, did you say? Indeed, unbeknownst to Grey, STEM is conscious and talks to him inside his own head.

STEM offers advice on how to track down suspects in Asha’s murder. It lets Grey know how to pick a lock. STEM can take over Grey’s body in a life-or-death situation.

What follows is a movie which hits plenty of genre goodness. Part revenge thriller kicks, part cyber body horror, and part punch-up party. After a respectful amount of set-up time has passed (characters > tragedy > mission) the movie gets into gear.

Grey (Logan Marshall-Green, The Invitation) is pretty stock as revenger characters go, but once he starts turning to STEM for help both mentally and physically then Upgrade comes into its own.

Upgrade Official Trailer

Is Upgrade Worth Watching?

It’s quite a feat of acting for Marshall-Green to remember robotically pain-inflicting choreography whilst also looking utterly surprised by his own body movements, but he does so and ultimately sells the concept once the first brutal fight off.

It’s not just Marshall-Green selling such wince worthy actions. Director Leigh Whannell injects tons of energy and style into his hyper violent vision of the future. When Grey gives over control of his body and rises from the floor, the camera rotates, locked on him.

This approach makes it doubly clear that Grey’s movements are computer-driven, from lightning-fast punch deflection right through to brutally efficient ending attack. Everything feels light on special effects and driven by practical in camera work, giving extra heft to each fist flying.

One downside to the revenge pathway is that it channels the narrative into a narrow flow of violence begetting violence. Upgrade doesn’t make any effort to shake off or embellish the formula.

Sure, there is a suspicious cop (Betty Gabriel) who wonders how this apparent quadriplegic keeps turning up at the houses of suspects. We also get another bio-upgraded threat (one man killing machine Benedict Hardie) and socially awkward tech genius (a rather strained performance from Harrison Gilbertson) but aside from extra fodder to great action sequences, no character gets much chance to shine.

The interactions between STEM and Grey are the bread and butter here, which the movie knows. When Grey coasts his wheelchair into a dive bar and asks one of the mean looking patrons to hold a straw steady so he can drink there is fun to be had as the audience because we know at this point that STEM can make Grey come out top of any given fight.

And yet we also know that STEM is more of a co-owner of the Grey experience rather than a dutiful servant. It isn’t long before the advice becomes suggestions, the suggestions become instructions, and the instructions become orders.

Upgrade gives good schlock and is a darkly comic ride with occasional flashes of welcome teeth gritting violence. After ramping up the stakes evenly through the final act it is a shame that Whannell switches to ending-o-tron option B in typical genre trope tradition, but with a lack of other characters to really care about then it’s only actions affecting Grey available to stick a landing on.

Much as I love my smartphone and as kickass that something like STEM could make me in the future, perhaps I won’t upgrade to the next model in 5 years and instead allow myself to enjoy the wonders of good old fashioned, hand crafted efforts.

Words by Mike Record

Upgrade Movie Cast

Logan Marshall-Green as Grey Trace who undergoes an experimental cure by having an artificial intelligence implant called stem put in his body

Betty Gabriel as Detective Cortez

Harrison Gilbertson as Eron Keen, a billionaire inventor who creates STEM

Melanie Vallejo as Asha Trace, Grey's wife

Benedict Hardie as Fisk Brantner

Linda Cropper as Pamela

Simon Maiden as an intelligence implant called STEM (voice). It gives Grey physical abilities and the ability to relentlessly claim vengeance against those who left him for dead.

Richard Cawthorne as Serk Brantner

Christopher Kirby as Tolan

Kai Bradley as Jamie


  • Smart Camera Work
  • Excellent Action Scenes
  • Revenge Genre With Cci-fi Body Horror Mash Up


  • Ending Is Rather Bland
  • Lack Of Depth To Characters


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