Liam Neeson is a special actor with a unique set of skills. Unfortunately, few of those skills are on display in The Commuter, his latest outing.

A thriller with few thrills, The Commuter tells us the story of a really unusual day in the life of insurance salesman Michael (Neeson) who meets a mystery woman (Vera Farmiga) during his commute home one evening. She presents him with an opportunity to make $100K if he takes on one little assignment, identifying someone who seems out of place.

Despite being an ex-cop and an intelligent person, Michael takes on the task, which quickly spirals out of control (else we have no movie) and the body count ratchets up. For most of the movie, we then watch an agitated Michael run, walk, crawl, slide and sidle up and down the commuter train, examining and re-examining the same passengers.

To tell you any more would be to present spoilers, but truthfully, this movie really can’t have any because the plot is largely telegraphed.

If you’ve seen Taken, you’ve seen this movie…and Taken was much better.

Forget driving a truck, you could drive a whole network of Amtrak trains through the plot holes in this story, which begins implausibly, becomes ridiculous and then gets downright silly. Had a dragon or demonic nun suddenly appeared, they would not have been out of place in this film.

I add demonic nun, by the way, because it seems there is a clause in Vera Farmiga’s contract that stipulates she must only appear in movies with her The Conjuring series co-star Patrick Wilson. I think it has something to do with the two actors having the dynamic range of granite countertops.

At several points in the movie, Neeson’s Michael makes reference to his advancing age (he is 60 years old here), and all I kept thinking was “yes, and you should know better”. Despite no outward sign of an exercise regimen—“It’s either walk up and down the aisle or take up yoga.”—this character has the fighting skills of a Navy Seal half his age rather than what might be expected from a decade-long retired NYPD officer.

More broadly, if we ignore the general stupidity of the plot, this movie is a wonderful example of why it is so difficult to effectively tell a self-contained story; a story that takes place within a confined space over a defined period of time. Effectively, after the first few laps through the train, we’ve run out of new things to try.

I’ve tried talking to people. I’ve tried punching people. Now what? More of same, I guess, for the next 45 minutes.

In writing parlance, this is called “running in place” or “repeating beats”; a repetition of actions until complete boredom or a novel insight sets in. Without ham-fistedly introducing “screenwriter ex machina”, what is the poor protagonist to do?

We accept this challenge more easily in a film like Taken if only because the writer gives us new locations and different implementations of kicking ass. We get visual variety even if the actual action is effectively the same.

Confine characters to a single set, however, and that visual variety is eliminated. The plot repetition becomes more glaringly obvious.

There is a reason that most confined space films are shorts. It is truly challenging to reveal anything novel after more than 20 minutes.

If you’re heading out to the movies and this is your best option, stay on the train…and don’t talk to strangers.