It seems like every other movie set in modern times being released these days includes either a reference to or a plot revolving around artificial intelligence. In the real world, the benefits of the technology compete with its downsides, but when it comes to movies A.I. is almost always seen as a threat, including in the new film Mercy.

The audience is thrown headlong into the slightly futuristic story involving LAPD Detective Chris Raven (Chris Pratt), who finds himself strapped in a chair in a sparse room, being told that he is on trial for killing his wife. Turns out he’s in a court dubbed “Mercy,” which is overseen by an AI judge named Maddox (Rebecca Ferguson). By the rules of the court, Raven has 90 minutes to provide reasonable doubt of his guilt, or he will be executed on the spot.

Raven is in a multi-pronged quandary: Not only does he believe he’s innocent despite a trove of evidence pointing to his guilt, but he’s also the poster boy for the law enforcement side of the equation, having arrested the first man who went to Mercy. Anger and disbelief for Raven turn into acceptance, which then turns into him tapping into his detective skills, scrutinizing every shred of evidence the court provides him in a desperate attempt to save his own life.

Directed by Timur Bekmambetov and written by Marco van Belle, the film is a relatively propulsive thriller despite having a so-so story and even worse acting. The film is told in real time (with a few fudges here and there), so the concept alone of a man trying to prove his innocence in a short amount of time provides good intrigue. Bekmambetov’s use of digital elements as Raven scrolls through files or calls potentially exculpatory witnesses like his partner, Jaq Diallo (Kali Reis), keeps the film visually interesting.

On the other hand, the swift viewing of videos and documents by Raven, not to mention the high degree of cooperation by Judge Maddox, opens up more than a few plot holes. The filmmakers try to explain away a few leaps in logic by having Raven falling off the sobriety wagon the night before, but they can only use that excuse for so long. They also have the AI judge experience technical glitches along the way, errors that seem to point toward a wider conspiracy until they’re completely forgotten.

More than anything, it’s difficult to get over the wooden acting of Pratt and the misuse of other usually reliable actors. Pratt has no real presence, especially when he’s confined to a chair, so any emotion he tries to conjure up comes off as contrived. Ferguson is done no favors by a role that shows only her upper body and has her alternating between robotic and oddly sympathetic. Reis earned an Emmy nomination for True Detective: Night Country, but has little to do here, a fate that also takes out Chris Sullivan as Raven’s AA sponsor.

If you’re okay with turning off your brain for a little while, Mercy can be an enjoyable watch. But if you find yourself scrutinizing why characters make the odd decisions they do, or the wishy-washy way the film approaches AI in general, then you’re likely to find the whole thing lacking.

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Mercy is now playing in theaters.