Post Tenebras Lux · essays & theory

A reading · through the lens of theory

A small girl walks through a muddy field at dusk. Cattle move around her. Dogs run past, and she says their names, or something like their names, and the light keeps draining, and thunder starts somewhere off at the edge of the field. This goes on for several minutes. Nobody comes for her. The camera doesn't frame her so much as walk beside her, down at her height, and the storm arrives slowly and then more slowly, and at some point you stop waiting for the scene to begin. It began. That was it.

Then, with no transition and no explanation, a glowing red devil with horns and a toolbox walks into a darkened house and up the stairs, while a small boy watches him go.

Everything Post Tenebras Lux is trying to do lives in the gap between those two sequences, and the reason to bring Deleuze to it is that he gives you a way to describe what the film is doing that isn't "failing to tell a story." The usual verdicts on this film — self-indulgent memory piece, puzzle with no solution — both assume it wanted a plot and missed. Deleuze's argument is that around 1945 cinema split into two regimes, and the second one has its own rules, which this film follows tightly.

The first regime is the movement-image: someone perceives a situation and acts on it, and the action changes the situation. Cutting exists to serve that chain. The second is the time-image, where action stops being available, and the character is left watching and enduring. Deleuze's name for such a character is the voyant, the seer — and his original examples were children, the boy in Germany Year Zero, the kid trailing his father around Rome. Children see everything and can do almost nothing about it. Reygadas casts his own two children, under their own names, and hands them the film's deepest subjectivity: the girl who can't stop the storm, the boy who can't do anything about what is climbing his stairs. What they're given are opsigns and sonsigns — pure optical and sound situations, an image you can only look at, a sound you can only listen to. The opening field has no dialogue at all. It is weather and animal noise for minutes on end, dead time in Deleuze's sense: duration held open with nothing advancing through it. And notice who moves. The child is nearly a still point; the storm, the failing light, the cattle and dogs do the acting. Deleuze took the term from musicals, where the dance absorbs the dancer — the movement of world, where motion passes out of the character and into everything around them. Reygadas gets there with weather instead of choreography.

Then there's the lens, which is Reygadas's actual invention. Almost every shot has a hard sharp center ringed by a doubled, refracted, smeared halo, done in-camera with a non-standard optical element rather than added afterward. Deleuze's crystal-image is the moment when an actual image and its virtual double become impossible to tell apart — he found it in mirrors, in Welles and Ophüls, where you lose track of which one you're looking at. Reygadas built it into the glass. Every frame arrives with its ghost already attached at the edges. This is not decoration, and the proof is what happens without it: a set of scenes with nothing joining them. With it, each image carries the signature of having been recalled rather than witnessed, so the disconnection reads as memory's disconnection rather than as sloppiness. The Academy ratio does related work. In 2012, choosing 1.37:1 refused both widescreen and the digital gloss becoming standard, and it crushes the Morelos landscape into a compressed vertical box that keeps figures shoved toward the edges, exactly where the doubling is worst. A frame that tight is always pointing at a beyond it can't locate — out-of-field-absolute, as opposed to the ordinary offscreen of the next room. That's where the devil comes from.

The devil is a crystal-seed: a small crystalline element dropped into a milieu that makes the whole milieu crystallize around it. It's a clean digital animation composited into grainy, optically degraded 35mm, and the seam shows. In 2012 the industrial value of CGI was invisibility. Reygadas lets the mismatch stand, so the figure reads as an image that has entered the house, not a creature in the room. Dreyer taught him the grammar: Ordet films the supernatural in the same flat register as the domestic, with no lighting shift, no music, no reaction shot to authorize it — and Reygadas had already remade Ordet's ending in Silent Light. Buñuel supplied the tone. The devil of Simon of the Desert shows up, does something mundane, leaves. This one carries a toolbox.

Which brings up the contract. Cinema's default deal is that the image is evidence — what you're shown happened, at least inside the fiction. Deleuze's powers of the false describes films that make true and false undecidable and treat that as a productive engine rather than a trick. Here a beheading and a death are staged and never adjudicated. Real, feared, remembered, dreamed: the film declines to rank them. A mind-game film would settle it in the last reel. This one can't, because the ranking is precisely what it was built to do without. That refusal is also what makes it a lectosign, an image that has lost its sensory-motor obviousness and has to be read instead of simply seen. The European bathhouse where Juan and Natalia have sex has philosophers' names on the doors. The space comes with captions.

Editor Natalia López joins Morelos to that bathhouse to an English rugby pitch to a beach with no signposting, by rhyme and mood and weather and dread. Deleuze calls these irrational cuts: joins that work through the gap rather than across it, the cut as and rather than then. The result is what Reygadas has said he wanted, a structure closer to how consciousness actually assembles itself — Deleuze's cinema of the brain, where the screen is organized like a mind rather than like a plot.

The lineage is precise. Mirror is the template: memory, dream and present cut into one chain with no dissolves or titles to rank them, plus a child alone in a wind-raked field as an unexplained standing image. But Tarkovsky gives you sheets of past, layers of a past you move through and mostly know you're inside. Reygadas takes the technique and flattens the layers into peaks of present — several presents coexisting at the same level of reality, the present of what happened alongside the present of what's dreaded. Nothing is the frame; nothing is the insert. Nostalghia let weather into interiors, rain falling in ruined rooms, and Reygadas presses storm and mud and flooded ground against a glass-walled house. From Au hasard Balthazar comes the model method: non-professionals cast for face and cadence, drained of acting, sound strictly diegetic, no score — which is why that opening field can hold so much, since nothing in it is performing. And Los Olvidados is the local precedent, a Mexican neorealist surface punctured by an oneiric insert that is never framed or resolved.

So the film sits on Bazin's side of the ledger and then betrays it. Available light, real place, real family, patient take, all the guarantees Bazin thought the long take preserved — and then a rendered devil, on the same stock, in the same shot. That's the provocation, and it explains the split verdict at Cannes, where it took Best Director and got booed. What it changed is small and hard to undo: it showed that you can drop the hierarchy of registers entirely, keep the mixture, and still have a coherent film, and that a visible digital seam can be an honest declaration rather than a budget failure.

The title is a Reformation motto. After darkness, light. The film takes it as a question. Watch it again and put your attention at the edges of the frame instead of the middle — the world stays sharp only exactly where you're looking, and everything you weren't attending to is already doubling into something else.