What Is In Medias Res?
Quick answer: In medias res means beginning a story in the middle of the action, with context supplied later. The term's origin in Horace, classic examples and how to use it.
In medias res is Latin for 'into the middle of things': the technique of opening a story inside the action rather than at the chronological beginning, with context and backstory supplied later or not at all. Instead of meeting the hero at breakfast, you meet them mid-chase, mid-argument or mid-crisis, and you assemble the situation from clues while the scene is already moving.
The name comes from the Roman writer Horace, who in his Ars Poetica (around 19 BC) praised Homer for snatching the listener into the middle of events rather than starting the Trojan War from the egg. Twenty centuries on, it remains the standard cure for slow openings, and, when mishandled, a reliable source of confusing ones.
The longer answer: a decision about where the door is
Every story has more chronology than it needs. In medias res is the recognition that the door for the reader does not have to be at the timeline's start; it should be wherever the pressure already exists. The technique has two halves, and beginners usually notice only the first: begin amid action, yes, but also feed the withheld context back in deliberately, through dialogue, implication or flashback, so the reader is never lost, only curious.
It is worth separating the strong and weak versions. The weak version is simply starting late in a scene: the argument entered at its third exchange. The strong version restructures the whole narrative: the story opens at a mid-plot crisis, then loops to show how we got there, as countless epics, crime novels and screenplays do. Both are legitimate; they solve different problems, pace and design respectively.
The technique carries a cost that honest craft books admit: beginning in motion means beginning before attachment. Action involving strangers is just choreography, so openings in medias res must recruit sympathy fast, through voice, vulnerability or vivid specificity, or the motion is wasted. The reader must care within the scene they landed in, not in some earlier scene you skipped.
From Homer to the cold open
Homer's Odyssey is the founding example: it opens with Odysseus already ten years lost after Troy, held on an island, his son besieged by his wife's suitors. The war, the wooden horse, the monsters, everything a lesser teller would have started with, arrives later, largely as the hero's own after-dinner narration. The structure makes memory itself part of the story.
Dante begins the Divine Comedy in the middle of the journey of our life, mid-crisis in a dark wood, no biography offered. The old epics institutionalised the move; novelists inherited it. Emily Bronte opens Wuthering Heights with a stranger blundering into the aftermath of the story, decades in, and the novel excavates backwards.
Television turned the device into furniture: the cold open that drops you into a heist mid-alarm, then cuts to 'three days earlier'. That signature is now so common it borders on cliche, which is a useful reminder that in medias res is not one trick but a principle: enter where the pressure is, and make the reconstruction part of the pleasure.
Using it without losing your reader
Choose a middle that implies its own past. The best in medias res openings are self-explanatory in outline: a woman burning letters, a crew abandoning ship. The reader should grasp the immediate situation instantly while wondering how it came about; if they cannot tell what is physically happening, you have entered too deep.
Ration the flashback debt. Everything you skip becomes a promissory note, and the clumsy way to pay is a giant explanatory lump in chapter two, which merely relocates the slow opening you avoided. Pay in instalments: a line of dialogue here, an object with history there. Aim to have the reader fully oriented by the quarter mark without ever staging a briefing.
And anchor sympathy inside the opening action. Give the character one humanising beat in the first page, fear badly hidden, a joke at the wrong moment, tenderness under pressure, so the motion has someone worth following. For short fiction the technique is almost mandatory: with 2,000 words there is no room for runway, and stories that open inside the pressure use every word twice.
Misconceptions and misfires
In medias res does not mean opening with maximum violence. The middle of things can be the middle of a marriage, a con, a diagnosis; pressure, not spectacle, is the requirement. Writers who equate the device with explosions produce openings that are loud and weightless at once.
It does not abolish setup; it defers and disguises it. The information a conventional opening delivers up front still has to arrive, and the craft lies in the smuggling. If your reader hits page five not knowing who anyone is, you have not been bold, you have been unclear.
And it is not always right. Stories about slow accumulation, a friendship curdling, a village changing, sometimes need the reader planted before the disturbance so the disturbance can be felt. In medias res is a powerful default for short fiction and thrillers, but it is a tool, not a law; Horace was describing what worked for Homer's material, not legislating for yours.
What poets can take from this
- Open at pressure, not necessarily at violence.
- Make the physical situation graspable in three sentences, the full situation graspable by the quarter mark.
- Smuggle backstory in objects and dialogue rather than briefings.
- Give the reader someone to root for inside the opening motion.
- If your cold open needs a 'three days earlier' card, consider whether the earlier scene was the real opening.
Try it yourself
Take a story idea and list its events in strict chronology, one to ten. Now write an opening page that begins at event six. Let events one to five surface only through dialogue and objects, and see how far you get before the reader would need a flashback.
Questions
Where does the phrase in medias res come from?
From Horace's Ars Poetica, written around 19 BC, where he praises Homer for carrying the audience into the middle of events instead of beginning at the earliest point. The Odyssey, opening ten years after Troy, is the model he had in mind.
Is in medias res the same as a flashback structure?
They usually travel together but are distinct. In medias res is where you enter the story; flashback is one way of paying back the skipped material. You can open mid-action and never flash back at all, letting implication carry the past.
Does in medias res work for short stories?
Exceptionally well; it is close to the default. Short forms cannot afford runway, so entering at pressure and implying the past saves the word count for consequence. The risk to manage is orientation: with no room to spare, confusion costs more too.
By the Writory editorial team, reviewed by working poets. Updated July 2026.
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