In writer/director Jared Moshe’s low-budget indie film Aporia, the Trolley Debate, killing one person in order to spare the lives of, presumably, more people or a greater number of people, gets its own movie in a thoughtful and provocative little indie. The thorny ethical questions are given their rightful due, and this is where Aporia really shines for me, as a small-scale sci-fi story with Big Ideas bursting forth and the understanding to give them adequate space for satisfying contemplation. It bowled me over.

Sophie (Judy Greer) is still very much not over the death of her husband, Malcolm (Ed Gathegi). He was killed by a drunk driver months ago and that driver also seems to have escaped justice. Sophie is left alone to raise their pre-teen daughter Riley. That’s where Jabir (Payman Maadi) comes in. He was a friend of Malcolm and reveals they had been working on a prototype for a time machine in secret. The machine has its own limits. It sends a photon particle back in time, which will kill any living creature that it materializes inside. All you need are the time, place, and coordinates and you could kill anyone. The further in time you need to go the more power the machine will have to draw. Sophie is beside herself but taken over with the excitement of possibly bringing her husband back to life. All it takes is murder.

What the characters have created is essentially a magic gun that can shoot into the past, which means the only use for this time travel device is to take life. They will only ever be murderers if they decide to use it, and so it becomes a question over under what circumstances would it be permissible to utilize this weapon. The first victim is obvious, the man responsible for the death of Sophie’s husband, and like magic he returns good as new without any memory of ever having been gone. It’s an important rule introduced that only the people in the room with the machine will still have memories of the previous timelines before the space-time revisions. This is a good move for an obvious dramatic one, so that the characters will be able to be impacted by the changes because they can recall a life without them, but it also sneakily supplies another complication. Each one of them has the potential to use the machine alone and thus never having the others realize what they had done. It’s one more tricky ethical question, asking whether you would betray the trust of someone close to you if you could get away with it. Naturally, the characters debate the merits of when to use the machine and when not to, with each new use further complicating matters because the next change can always destabilize the state of things, and then it’s a chain of changes to try and find the right order, and that leaves a trail of bodies littering the past.

It wouldn’t be a compelling time travel narrative without the ole’ favorite of unintended consequences. By removing the drunk driver before he could ever fatefully get behind the wheel, Sophie has brought back her husband and felt like the cost was negligible, as that driver in present-day is an abusive husband who gets drunk and yells at his family while he escapes justice for manslaughter. However, once you start pulling at the knots of the human timeline, some interesting and unexpected results can happen. That same man has been removed but his family isn’t necessarily better off. Kara (Whitney Morgan Cox), the widowed wife, is struggling to make ends meet as a single mom with a daughter (Veda Cienfuegos) suffering from multiple sclerosis (MS). They are deep in medical debt. It seems that the least this man did was help provide a financial cushion. Without his presence, they’ve had to go it alone and they’re broke and likely unable to continue paying the costly medical treatment for this adolescent girl. Because of Sophie’s desire to bring back her husband, she has doomed this innocent victim. Sophie’s guilt causes her to seek out the family, check up on them, and upon the discovery of their hardships, befriend mother and daughter and find a way to make things right as the unknowing perpetrator of their dilemma. From there it becomes a game of thinking how she can erase their misfortune while keeping her own husband.

I will discuss one significant turn because I think it’s an evocative example of the thought-provoking nature of the screenplay, but I will warn you there will be significant spoilers. If you wish to remain pure, dear reader, then skip to the next paragraph. The team comes up with a new name to eliminate to solve the fortunes for Kara and her daughter, a man who swindled her, a Ponzi scam artist who left her penniless and forced to close her bakery. Seems open and shut with an obvious bad person, thus an easy solution. But you should recognize there are no easy solutions in stories untangling timeline interference. All of a sudden, Sophie and Malcolm come home to discover that they have a completely different child. Their teen daughter is now a teenage boy with a different personality and different interests. How? How could eliminating one bad man in a completely different state change the course of history enough that their child has been affected? They debate the possibilities, perhaps something as small as a different sperm winning out or conceiving her on a different day or month, but the results are irrefutable. While their child is alive in this timeline, in a very real sense they have both now lost their daughter. The person they raised together, loved, and helped shape has been eliminated and the grief is palatable. This new child is a stranger, but they too are strangers to this child. They are absent formative memories and do not have the shared connections and history to draw upon. When Sophie tries to comfort this new Riley, she doesn’t know what may work because she doesn’t know anything about this child. I don’t think the filmmakers are making negative commentary on adoption, which is essentially what this scenario mirrors, but the grief goes two ways. They mourn the child blinked from existence, and this child also had his parents blinked from existence and replaced with lookalikes, they just don’t understand it yet. It’s this escalation that personalizes the unintended harm of what they’re doing and sets the stage for the final decision.

The ending is going to divide people but it felt note-perfect for me. It ends on an emotional high of coming to terms with their culpability but also on accepting uncertainty. We end on an ambiguous note, absent a resolution about the final extension of the final decision. I think it works very well not just in trying to have it multiple ways but because after being in the know, it puts the characters, and vicariously the viewer, in a state of vulnerability and the acceptance of staying there. It’s an uplifting conclusion thematically because it’s about accepting loss but also accepting our limitations. The final conversations are inadequate because how can you summarize a life with another person, whether a lover or a friend or a spouse, into just a handful of clumsy words. Our vocabulary does us a disservice when it comes to expressing the glorious debt we feel having had these people in our lives. That is why the movie ends on an emotional high for me and really comes together, personalizing the ethical conundrums.

Greer (Halloween Kills) has had a long career as a supporting actress, usually the funny but supportive best friend to the lead, and as an outstanding voice actress (Archer, Let’s Go Luna), but rarely does she get a meaty dramatic lead role. She’s terrific here and serves as our dramatic anchor through the turbulent changes and moral soul-searching. She is our reflection, and Greer’s emotional journey is well encapsulated in a performance that doesn’t go big into histrionics but is more carefully grounded and natural. I don’t think the movie would work as well, at least on an emotional level, without her.

Is Aporia a perfect film? Well, very few are, and the movie could have even more development, leaving possibilities behind given its tantalizing premise. I’m glad the movie didn’t go overboard into some slapdash thriller territory and instead grounded its science fiction timeline wonkiness into engaging human drama about loss, sacrifice, and acceptance. As my pal Eric Muller said, Aporia likely works better as a screenplay than a finished film, though this discounts the heavy-hearted contributions of Greer. I’m glad this movie emphasized its ideas and provided the time to really dwell in them, even if the movie is only about 90 minutes altogether. Aporia is a deeply engaging movie that worked on all levels for me, enriching emotions and satisfying intellect, and is definitely worth the discovery.

Nate’s Grade: A-